Great Internet Mersenne Prime Search (GIMPS)

Prime95, also distributed as a command-line utility mprime under FreeBSD and Linux, is a freeware application written by George Woltman. It is used by Great Internet Mersenne Prime Search (GIMPS), a distributed computing project dedicated to Mersenne prime hunting. In overclocking circles, its also commonly used for stability testing.

This repo is a mirror to Free Mersenne Prime Search Software source code for Windows, Linux, FreeBSD, and Mac OS X.

You could download the latest code from GIMPS or release page.

Mirror rank from PrimeNet Top Overall Teams

Top producers for the last year.
This hourly report generated 2026-02-03 12:00 UTC

Rank	Team Name	Total GHz Days	90 day	30 day	7 day	1 day	TF	P-1	LL/PRP	DC	ECM	ECM-F
1	GIMPS.Russia	984312248					0.4		0.1		99.6
2	Slovakia	691826779	⬆ 1	⬆ 1			0.1	97.6			2.2
3	POLAND	437544269	⬆ 1	⬆ 1			0.3	99.0	0.1		0.5
4	PrimeNet	360439682	⬇ 2	⬇ 2			0.1	97.5	0.2	0.3	1.8
5	-Too many Ones-	203246823					0.3	92.8			6.9
6	unRAID	33663208	⬆ 1	⬆ 1				99.5	0.4		0.1
7	GIMPSChina	22036832	⬆ 1	⬆ 1	⬆ 1		80.3	13.1	4.1	0.7	1.7
8	Ars Technica Team Prime Rib	20656624	⬇ 2	⬇ 2	⬇ 1	⬆ 1	0.2	93.3	0.2	3.9	2.3
9	One Man Team	16978102				⬇ 1		99.5	0.5
10	More Power!!!	14530076					13.9	56.2	1.8	0.7	27.4
11	GW's legions	12732799					0.1	0.9	29.7	0.7	68.6
12	UCM-curtisc	11882705	⬆ 1	⬆ 1					99.4	0.6
13	Team-Deutschland	11661283	⬇ 1	⬇ 1			4.1	6.0	0.5	0.1	89.2
14	TeamUK	7411399					39.0	6.0	18.9	1.2	34.6	0.1
15	szerverem.hu	7075623	⬆ 225	⬆ 7			6.0	38.0	44.3	5.2	6.4
16	Porta Kruse	6402560	⬆ 20	⬆ 1			1.3	0.1		0.1	92.3	6.1
17	GPU to 72	4866195	⬇ 1	⬇ 2			61.8	22.1	0.7	3.6	11.7
18	SpongeBob SquarePants	3936960	⬇ 3	⬇ 2			1.5	31.4	55.7	9.9	1.5
19	Numberphile	2905906	⬇ 1	⬇ 1			31.2	40.6	20.2	6.6	1.2
20	tsc	2336259	⬇ 1		⬆ 1		91.4	6.4	1.6	0.2	0.4
21	Dutch Power Cows	2253801	⬇ 4	⬇ 2	⬇ 1		32.8	30.2	1.2	1.2	34.6
22	UKRAINE	2135871	⬇ 2	⬇ 1			35.0	14.6	36.8	13.4
23	Wikipedia	1959071	⬆ 1				58.6	34.0	4.0	2.3	0.8
24	Swedes Of Primes	1526621	⬇ 2				0.4	83.2	14.0	2.4
25	GIMPS.USA	1401953	⬇ 2				4.9	0.2	3.6	1.9	89.3
26	GIMPS.Japan	1342317	⬇ 5				4.5	0.1	7.9	1.9	85.6
27	GIMPS.Occitania	1298304	⬇ 2					1.1				98.9
28	MOXA	705509	⬇ 2				98.8		0.9	0.3
29	MATHSareREAL	682020	⬇ 2				95.6		3.2	1.2
30	MBAi.Cloud	577961		⬆ 1					100.0
31	Rechenkraft.net	489008	⬇ 3	⬇ 1			4.5	60.6	2.8	5.9	25.7	0.5
32	GIMPS.Korea	479122	⬆ 51	⬆ 5	⬆ 1		86.9	4.2	7.7	1.0	0.1
33	Terry Kim Team	458235	⬇ 1		⬇ 1		98.3		0.9	0.3
34	citizenscience.ru	439085	⬇ 5	⬇ 2			82.9	7.2	3.8	0.8	3.4	1.9
35	Buhr	409099		⬇ 1			63.5	2.2	20.4	6.3	7.6
36	S485122	312389	⬇ 3					95.0		5.0
37	Smoke-it	293343	⬇ 6	⬇ 2			91.2	6.5	1.6
38	YahsTeam	215457	⬆ 3	⬆ 1			87.9		10.2	1.9
39	NerdyGirls	204602	⬆ 9	⬆ 3			3.0	41.8	8.4	46.8
40	Canada	200725						3.4	65.4	30.1
41	randomteam	199264	⬆ 4	⬆ 2	⬆ 3	⬆ 1					100.0
42	GIMPS Team Philippines	197942	⬆ 2	⬆ 3		⬇ 1	83.1		1.7	1.8	12.9
43	Team Tartan	194621	⬇ 1	⬇ 2	⬇ 2				77.2	22.8
44	GIMPS China	175902	⬇ 10	⬇ 6	⬇ 1		95.5		1.3	0.4	2.7
45	BitMEX Research	164313	⬇ 7	⬇ 1					95.8	4.2
46	UW Eau Claire	162018	⬆ 194	⬆ 16	⬆ 5	⬆ 1	19.9		61.7	18.4
47	nranks	156348	⬇ 1	⬇ 1	⬇ 1	⬇ 1	45.2	0.8	4.5	0.9	48.6
48	OverclockerAustralia	147192	⬆ 1	⬇ 1	⬇ 1		59.7		21.2	15.6
49	404 - "Primes not Found"	131036	⬆ 23	⬆ 19	⬆ 4		64.7		35.3
50	Team China	124086	⬆ 4	⬆ 2	⬇ 2				99.7	0.3
51	GIMPS.NZ	121048	⬇ 1	⬇ 1	⬇ 2		78.2		10.9	10.9
52	Cap'n Entropy's Cavalcade of Wonderment	117337	⬇ 1	⬇ 4	⬇ 2		76.3	4.9	16.6	2.1
53	SASAKI	115090	⬇ 1		⬇ 1		100.0
54	Wisconsin	113474	⬇ 1				52.6		26.8	20.6
55	EgyptianPolymaths	113294	⬆ 1				0.8	30.5			63.9
56	Unicamp	109010	⬆ 12				73.5	0.3	21.0	5.2
57	Colorado School of Mines	106967	⬆ 71	⬆ 20	⬆ 2	⬆ 1	84.4		11.7	3.9
58	Georgia Tech	105633	⬇ 21	⬇ 9	⬇ 1	⬇ 1	95.4	0.8	3.8
59	Hungary	95142	⬇ 2	⬇ 2	⬇ 1		0.5	0.1	1.9	2.9	94.2
60	GIMPS.France	82318	⬆ 10	⬆ 6			13.6	42.3	5.8	21.3	16.8
61	SHADO	79241		⬇ 3	⬆ 2				61.8	18.0	11.8	2.4
62	Net-Work	77930		⬇ 2			1.6	2.8			87.4
63	UIUC	76096	⬆ 3	⬆ 1	⬆ 3				69.4	30.6
64	Team Finland	74710	⬇ 25	⬇ 13	⬇ 3		81.4	0.5	17.7		0.4
65	Esperanto	74070	⬇ 7	⬇ 2				23.6	19.8	56.5	0.2
66	LTT fans	73966	⬇ 6	⬇ 7	⬇ 2		52.9		8.3	2.5	36.2
67	Eratosthenes Sieve	73683	⬇ 4	⬇ 2			0.7		99.3
68	GIMPS.NEO	64400	⬇ 4	⬇ 1	⬆ 1				75.7	24.3
69	Team Israel	62609	⬇ 4		⬆ 1		97.1		1.3	1.6
70	Brno University of Technology	61367	⬇ 11	⬇ 9	⬇ 2			26.8	59.9	13.3
71	AMD Users	59465	⬇ 4				78.4		14.6	7.0
72	Team_Italia	58066	⬆ 4		⬆ 1	⬆ 1	2.6		70.7	19.8	2.1	4.1
73	ParadoxZ Commando	57181		⬇ 3	⬇ 1	⬇ 1			73.4	26.6
74	Team Belgium	57025	⬇ 5	⬆ 2	⬆ 1	⬆ 2	1.4	6.7	34.7	13.6	43.6
75	AJ	55788		⬇ 2	⬇ 1	⬇ 1			74.3	25.7
76	S147127	51327	⬆ 1	⬇ 1		⬇ 1	21.6		11.0	67.4
77	ComputerraRU	48559	⬇ 22	⬇ 3			16.2		75.8	8.0
78	Wile E. Coyote	46941	⬆ 3	⬆ 1					80.4	5.0	14.6
79	Team Viet Nam	44241	⬇ 32	⬇ 1			27.6		30.1	31.8	10.5
80	Team Austria	42399	⬇ 6	⬆ 1			98.8			1.2
81	LimePrime	37828	⬇ 3	⬆ 1	⬆ 1			6.9	88.3	4.8
82	MES-Team	37524	⬇ 11	⬇ 2	⬇ 1		71.2	7.7		21.1
83	Team H	36745	⬇ 4		⬆ 1		9.3	1.3	88.9	0.5
84	socal_prime	35631	⬇ 4		⬇ 1			0.9	67.0	32.0
85	Hermessz	34699	⬇ 3				59.8		40.2
86	HardOCP	31363	⬆ 4	⬆ 2					78.7	21.3
87	huskers-gimps	31031	⬆ 10	⬆ 2	⬆ 1				75.0	25.0
88	Debian	30869	⬆ 4	⬆ 2	⬇ 1				98.2	1.8
89	Small-Team-2000	28052	⬇ 3	⬇ 2					11.2	88.8
90	Costa Rica	23403	⬇ 1	⬆ 1					72.9	26.8
91	ᕙ(⇀‸↼‶)ᕗ	21635	⬆ 45	⬆ 24	⬆ 1		0.7		98.9	0.4
92	Team Retired	20745	⬆ 3	⬆ 3	⬆ 1				26.4	10.2
93	Channel 4	20571	⬆ 26	⬆ 9	⬆ 4				84.6	15.4
94	PrimitiveRootsCircle	20059	⬆ 10	⬆ 7	⬆ 2	⬆ 1	32.8		43.1	21.7	2.4
95	Team Norway	19554	⬆ 1	⬇ 1	⬇ 1	⬇ 1	81.2			3.9	13.5	1.3
96	The Fellowship of Infinity	19477	⬆ 28	⬆ 8	⬆ 4				99.5	0.5
97	A Single Engineer	18890	⬆ 1	⬆ 3	⬆ 1				73.4	26.6
98	NanJing Tech	18715	⬆ 142	⬆ 29	⬆ 1				100.0
99	MadPoo	18239	⬇ 56	⬇ 13	⬇ 8			25.8		74.2
100	SpartaAlumni	17876	⬇ 7	⬇ 1	⬆ 2				71.1	28.9
101	Quantus	17816	⬇ 13	⬇ 5			7.9		30.4	26.2		35.5
102	Ozzie Prime	17738	⬇ 8	⬇ 4	⬆ 1			4.8	60.6	12.1		22.5
103	Portland State University	17552	⬇ 18	⬇ 10	⬇ 8		23.2	26.8	36.2	13.8
104	Turku	17344	⬇ 1	⬆ 28	⬆ 5	⬆ 1			100.0
105	Team Slovenia	16868	⬇ 18	⬇ 8		⬇ 1			73.3	26.7
106	MurrayInfoSys	16657	⬆ 9	⬆ 4	⬆ 1	⬆ 2			66.0	34.0
107	GIMPS.Taiwan	15799	⬇ 7	⬇ 4	⬇ 1	⬇ 1			88.4	11.2
108	Nerdfighters for Mersenne Primes	15481	⬇ 7	⬇ 3	⬇ 4	⬇ 1	3.0		79.9	17.1
109	GIMPS.Portugal	14583	⬇ 3	⬇ 2	⬆ 1		0.1	71.7		28.1
110	Spain	14239	⬇ 26	⬇ 18	⬇ 2		4.2		60.3	35.5
111	VIPR	13740	⬆ 3	⬆ 7	⬆ 5	⬆ 1	17.4		57.2	25.4
112	Politeknik Banting, Selangor	13717	⬇ 21	⬇ 6		⬇ 1	78.3		5.8	15.9
113	Hyperion	13232	⬇ 4	⬇ 2					2.0	28.9
114	MES22-Team	13207	⬇ 15	⬇ 1	⬆ 1		100.0
115	SETI.Germany	12752	⬇ 4	⬇ 1	⬆ 2			7.4	24.8	67.7
116	moeses	12553	⬇ 8	⬇ 7	⬇ 5				99.1	0.8
117	Mensa	12448	⬆ 1		⬆ 2				75.7	24.2
118	Granada	12315	⬇ 11	⬇ 10	⬇ 4		36.0		6.3	57.1
119	IOTA	11493	⬆ 121	⬆ 114	⬆ 38	⬆ 5	100.0
120	NUST	11348	⬆ 120	⬆ 22	⬆ 4		10.5	85.7		3.7
121	youngfun429	11147	⬇ 19	⬇ 9	⬇ 3	⬇ 2			62.6	37.4
122	Abacus	11116		⬇ 1	⬇ 2	⬇ 1			92.6	7.4
123	FREE ROBUX	10852	⬆ 117	⬆ 110	⬇ 2	⬇ 1			100.0
124	Royal Military College of Canada	10691	⬆ 116	⬇ 5	⬇ 1	⬇ 1	89.7		7.9	2.4
125	Die Zeitfinder	10009	⬇ 15	⬇ 9	⬇ 3				100.0
126	JiBoTeam	9707	⬆ 4	⬇ 2	⬆ 1					100.0
127	FreeBSD	9578	⬇ 22	⬇ 7	⬇ 1		0.5		87.1	12.4
128	Syntony	9574	⬇ 2	⬇ 5						100.0
129	Shaffer's Studio	8933	⬇ 4	⬇ 3					86.5	13.4
130	Triangle	8817	⬇ 13	⬇ 2					96.2	3.8
131	TurkishMath	8560	⬇ 11	⬇ 6					91.1	8.9
132	Server66	8528	⬇ 3	⬇ 3			100.0
133	Aiblspitz	8177	⬆ 2		⬆ 1		2.0	60.9	19.3	15.8	2.0
134	Furry Primes	8022	⬇ 2	⬇ 4	⬇ 1		58.8		27.1	14.1
135	irowiki	7841	⬇ 8	⬇ 4	⬆ 1					100.0
136	Com Systems (RU)	7698	⬆ 42	⬆ 12	⬆ 1				60.6	39.4
137	Team Splunk	7605	⬇ 3	⬇ 3	⬇ 2			28.1	71.9
138	Brasil	7187	⬇ 5	⬇ 3					75.8	24.1
139	WSU Cougars	6864	⬇ 1	⬇ 3					56.6	43.3
140	Prime Rib	6858	⬇ 24						97.1	2.9
141	SU Prime Pirates	6437	⬆ 1	⬇ 4					61.5	38.5
142	University of Waterloo	6259	⬆ 2	⬇ 4					100.0
143	Team Christensen	6030	⬇ 2	⬇ 4						100.0
144	Elisabeth-von-Thadden-Schule	6009	⬆ 4	⬇ 3					38.6	61.4
145	GIMPS Romania	5527	⬆ 1	⬇ 1					100.0
146	Optimists Prime	5162	⬆ 1	⬆ 1				57.1	42.8	0.1
147	The_Dude_Abides	4966	⬇ 16	⬇ 2			39.7			48.2
148	nmbarek_team	4963	⬇ 27	⬇ 26	⬇ 23				99.6	0.4
149	teamMALI	4900		⬇ 6	⬇ 1				79.4	20.6
150	zeit	4791	⬇ 13	⬇ 1	⬇ 1		2.2			97.8
151	Danpi for GIMPS	4710	⬇ 1	⬆ 1	⬇ 1		100.0
152	Hong Kong GIMP	4652	⬆ 6	⬆ 1	⬇ 1				67.0	33.0
153	International School of Beijing (ISB)	4620	⬇ 10	⬇ 7	⬇ 1				99.6	0.4
154	The East Coast	4426	⬇ 42	⬆ 1	⬆ 1		99.3	0.7
155	3DCenter.org	4354	⬇ 16	⬇ 5	⬇ 2						100.0
156	Kabylie	4169	⬇ 1				15.8	4.9	37.4	42.0
157	Olympic College	4166	⬆ 3	⬆ 1	⬆ 1					100.0
158	Phi Kappa Theta	3599	⬆ 7	⬆ 3	⬆ 1				65.5	34.5
159	GIMPS.Hong Kong	3480	⬇ 7	⬇ 2	⬆ 1		3.6		44.3	52.0
160	TunisianTeam	3415	⬇ 6	⬇ 1	⬆ 1				22.7	77.3
161	Zorin OS Crew	3193	⬇ 4	⬆ 2	⬆ 1				70.2	29.7
162	RobotechResearch	3191	⬆ 20	⬆ 19	⬆ 23				100.0
163	Team_Brazil	2999	⬆ 3	⬆ 1		⬆ 1	83.1	0.2		16.7
164	FactorMania	2946	⬆ 69	⬆ 15	⬆ 2	⬆ 1		62.4			37.6
165	México mágico	2887	⬆ 35	⬆ 6		⬆ 1			82.0	18.0
166	The Prime Pioneers	2611	⬆ 29	⬆ 23	⬆ 5	⬆ 1	2.1	83.6		9.7	4.6
167	Subprime Searches	2529	⬆ 4	⬇ 1	⬆ 1	⬆ 1	89.9			10.1
168	Crunching@EVGA	2521	⬆ 72	⬆ 12	⬆ 16	⬆ 1			99.5	0.5
169	I Love Canadian Natural Resources	2507		⬇ 9	⬇ 5	⬆ 1				100.0
170	Noam Karni Team	2367	⬆ 22		⬆ 2	⬆ 1			66.8	33.2
171	VRS_SE	2359	⬆ 1	⬇ 3	⬆ 2	⬆ 1			66.8	33.2
172	Korea.Prime	2331	⬆ 21		⬆ 2	⬆ 1			67.0	33.0
173	Saudi Primes	2268	⬇ 5	⬇ 4	⬆ 2	⬆ 1				100.0
174	GIMPSMalaysia	2120	⬆ 41	⬆ 14	⬆ 2	⬆ 1			75.4	24.5
175	GIMPS_KS	1910	⬆ 65	⬆ 30	⬆ 2	⬆ 1			42.1	56.3	1.6
176	The Pensis	1869	⬇ 1	⬇ 1	⬆ 3	⬆ 1				100.0
177	F=dp/dt	1845	⬇ 1	⬇ 1	⬆ 3	⬆ 1			85.8	14.2
178	Obsidian	1821	⬆ 1	⬇ 1	⬆ 3	⬆ 1				100.0
179	GIMPS_IOM	1712	⬆ 2	⬇ 1	⬆ 3	⬆ 2	100.0
180	alan145	1697	⬇ 21	⬇ 15	⬇ 2		75.1	1.8		0.3	22.9
181	His Dark Materials	1680	⬇ 18	⬇ 8	⬆ 2	⬆ 1				51.4	48.6
182	Pi Rho	1658	⬆ 58	⬆ 51	⬆ 25	⬆ 1			50.6	49.4
183	ANDY	1591	⬇ 30	⬇ 29	⬇ 29	⬇ 20			98.2	1.8
184	San Francisco	1586		⬇ 2	⬆ 2				100.0
185	cr_colorado	1549	⬆ 5	⬆ 13	⬆ 2					100.0
186	Artists of Fine Art	1540	⬇ 41	⬇ 24	⬇ 16				99.4	0.6
187	EggCelentes	1488	⬇ 17	⬇ 20	⬇ 18					100.0
188	TimE4This	1481	⬇ 8	⬇ 4	⬆ 1					100.0
189	BrainStone	1451	⬇ 25	⬇ 15	⬆ 1					100.0
190	CZAsTc	1447	⬆ 49	⬆ 41	⬆ 1				99.6	0.4
191	OcUK - Overclockers UK	1409	⬇ 4	⬇ 6	⬆ 1				100.0
192	math.auth.gr	1355	⬆ 17	⬆ 16	⬆ 1				61.7	38.3
193	Happy	1341	⬇ 5	⬇ 6	⬆ 1						99.9
194	Black Mesa	1187	⬇ 81	⬇ 43	⬇ 27				64.4	35.6
195	AWC	801	⬆ 45	⬆ 38	⬆ 36	⬆ 1			100.0
196	GIMPS Asturias	794		⬇ 4		⬆ 1			99.6	0.4
197	Weatopians	793		⬇ 4		⬆ 1			99.7	0.3
198	Sæve Nordic Prime	781		⬇ 4	⬆ 1	⬆ 1			100.0
199	hreid	776	⬇ 13	⬇ 3	⬆ 1	⬆ 1			100.0
200	crazyBerlin	774	⬇ 60	⬇ 5	⬆ 1	⬆ 1			100.0
201	UCLA Linux Users Group	769	⬇ 45	⬇ 18	⬇ 13	⬆ 1			100.0
202	ISISS Valle Seriana	761	⬇ 3	⬇ 5		⬆ 1			99.6	0.4
203	Join Us 😈	708	⬆ 7	⬆ 6	⬆ 1	⬆ 1	100.0
204	SGDynamo Dresden	565	⬇ 2	⬇ 2	⬆ 2	⬆ 1	100.0
205	PrimeObsession	539	⬆ 35	⬆ 2	⬆ 3	⬆ 1				100.0
206	Morocco	531	⬆ 34	⬆ 27	⬆ 3	⬆ 1				100.0
207	Math_Lovers	522	⬇ 18	⬇ 17	⬇ 9	⬆ 1				100.0
208	London Computation Club	478	⬆ 4	⬆ 3	⬆ 2	⬆ 1				100.0
209	Team Dominik Radler	413	⬇ 2	⬆ 3	⬆ 2	⬆ 1	100.0
210	Czech National Team	353	⬇ 59	⬇ 9	⬇ 7	⬆ 2	10.6			81.1	5.1
211	Team Bulgaria	352	⬇ 10	⬇ 8	⬇ 6						100.0
212	/r/counting	337	⬆ 16	⬆ 12		⬆ 1
213	KnightLight	315	⬆ 1	⬆ 1		⬆ 1				99.3
214	Unteranger Primelurche	269	⬇ 10	⬇ 10		⬆ 1				100.0
215	www.Adamek.biz	265	⬆ 1			⬆ 1				100.0
216	Therian Primes	262	⬆ 24	⬆ 17		⬆ 1				100.0
217	Math Teachers of the World	259		⬇ 1		⬆ 1			100.0
218	GIMPS Hams	253		⬇ 1		⬆ 1		100.0
219	Lithuania LT	247	⬆ 1	⬆ 1	⬆ 1	⬆ 1				100.0
220	DividerHunt	221	⬆ 4	⬆ 1	⬆ 1	⬆ 1	100.0
221	Manri Costa Rica	213	⬇ 60	⬇ 30	⬇ 26	⬇ 26				100.0
222	yfinder	208								100.0
223	Name (t) = A x e^kt	207	⬇ 12	⬇ 13						100.0
224	30thousandwon	193	⬇ 21	⬇ 1						100.0
225	GIMPS.Peace	122	⬆ 9				44.7	55.3
226	TeamUbuntu	121	⬆ 4							100.0
227	TeamEc	99	⬇ 21	⬇ 21							100.0
228	FourthFloorFourEyes	46	⬆ 4	⬇ 1			100.0
229	PROMYS	23	⬆ 6	⬇ 1							100.0
230	sannerud.com	10	⬆ 6								100.0