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 2026-07-03 13:00 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	Slovakia	595840631	⬆ 1				0.1	98.5	0.1		1.3
2	GIMPS.Russia	353376126	⬇ 1				0.4		0.1		99.5
3	PrimeNet	149918401		⬆ 1	⬆ 1		0.2	80.0	0.6	0.8	18.4
4	Ars Technica Team Prime Rib	137380136	⬆ 2	⬇ 1	⬇ 1			99.2		0.8
5	POLAND	112080304	⬇ 1				0.9	95.2	0.5	0.1	3.3
6	-Too many Ones-	28106735	⬇ 1				0.1	48.0			51.9
7	Team#1	20745932	⬆ 7	⬆ 1	⬆ 1		2.1	18.4	48.9	28.4	2.2
8	GIMPSChina	20182595		⬇ 1	⬇ 1		59.8	23.5	4.4	0.7	11.5
9	GW's legions	13921015	⬆ 2					0.8	37.6	1.7	59.8
10	UCM-curtisc	11861442	⬆ 3						99.3	0.7
11	Team-Deutschland	11579597	⬆ 1				2.7	57.0	0.9	0.1	39.2
12	Numberphile	10541961	⬆ 6	⬆ 5	⬆ 1		3.7	19.4	6.0	1.7	69.1
13	More Power!!!	10342217	⬇ 4	⬇ 1	⬇ 1		17.2	69.3	2.8	2.3	8.3
14	TeamUK	6910682	⬆ 1				47.9	2.6	20.1	1.6	27.6	0.1
15	Porta Kruse	6368018	⬆ 1				2.0	0.5			91.2	6.2
16	One Man Team	6201479	⬇ 6	⬇ 3				99.1	0.9
17	GPU to 72	4993640		⬇ 1			51.1	28.5	0.6	3.7	15.7
18	tsc	3377860	⬆ 2	⬆ 1			61.4	2.7	1.0	0.3	34.5
19	UW Eau Claire	3329607	⬆ 3	⬇ 1			90.3		7.1	2.6
20	UKRAINE	2570401	⬆ 1	⬆ 1		⬆ 1	8.9	6.1	74.0	10.9
21	Argentina	2563445	⬆ 39	⬇ 1		⬇ 1	92.1		7.9
22	Wikipedia	1928158	⬆ 1				57.6	34.5	4.7	2.1	0.8
23	SpongeBob SquarePants	1435434	⬇ 4					30.2	61.8	8.0
24	GIMPS.Korea	1371499	⬆ 5	⬆ 2			88.1	4.7	3.8	0.9	2.4
25	GIMPS.Occitania	1202783	⬆ 3					4.4				95.6
26	Swedes Of Primes	1121390		⬇ 2			1.2	78.4	17.2	3.1
27	Dutch Power Cows	1089861	⬇ 3				43.2	10.5	1.5	2.4	42.3
28	MBAi.Cloud	835663	⬆ 2						99.9	0.1
29	MATHSareREAL	578886	⬆ 2				96.2		2.5	1.3
30	404 - "Primes not Found"	535029	⬆ 17	⬆ 9	⬆ 1		88.1		11.8	0.1
31	Buhr	500695	⬆ 3	⬆ 1	⬇ 1		52.0	4.8	16.6	5.3	21.3
32	GIMPS.USA	454974	⬇ 7	⬆ 9	⬆ 1		31.9	47.0	14.8	3.8	2.1
33	citizenscience.ru	438496		⬇ 2	⬇ 1		86.4	2.4	6.4	1.0	3.5	0.4
34	Colorado School of Mines	386000	⬆ 5	⬆ 3	⬆ 1		90.0		8.7	1.3
35	GIMPS.Japan	380566	⬇ 8	⬇ 2	⬇ 1		33.6		32.0	10.5	23.8
36	Rechenkraft.net	373064	⬇ 1	⬇ 2			0.5	51.6	6.0	6.8	35.2
37	Terry Kim Team	366935	⬇ 1	⬇ 2			95.6		3.3	0.7
38	MOXA	355755	⬇ 6	⬇ 2			99.2		0.7	0.1
39	S485122	304156	⬇ 2	⬇ 1	⬆ 1			95.1		4.9
40	unRAID	289746	⬇ 33	⬇ 10	⬇ 1			68.5	28.4	2.5	0.6
41	Smoke-it	263806	⬇ 3	⬇ 1			90.4	7.2	1.8
42	YahsTeam	247127		⬆ 1			88.0		9.6	2.4
43	nranks	236672	⬆ 1	⬇ 1			31.2	0.5	2.7	0.4	65.2
44	NanJing Tech	215478	⬆ 15	⬆ 2			24.3		72.3	3.4
45	GIMPS Team Philippines	202834	⬇ 4				51.7		9.8	1.7	32.6
46	NerdyGirls	198867	⬇ 3	⬇ 2				42.7	4.8	52.5
47	Canada	188347	⬇ 2				7.5	1.6	65.4	25.5
48	Team Tartan	177571	⬇ 2						77.5	22.5
49	OverclockerAustralia	146555	⬇ 1				59.9		14.9	21.0
50	GIMPS.NZ	134075	⬆ 2				80.0	0.2	10.6	9.2	0.1
51	Team China	128811	⬆ 2						99.7	0.3
52	Unicamp	126531	⬇ 1				68.5		27.5	4.1
53	GIMPS.France	117158	⬆ 2				9.5	68.4	4.8	5.3	11.8
54	IOTA	112345	⬆ 16	⬆ 1			95.5		3.0	1.5
55	SASAKI	95937	⬇ 1	⬇ 1			100.0
56	AMD Users	95692	⬆ 7	⬆ 3			48.7	0.6	9.9	40.3	0.4
57	GIMPS.Portugal	89587	⬆ 49				51.1	46.4		2.5
58	UIUC	89321	⬆ 4	⬆ 3					67.6	32.3
59	Wisconsin	82087	⬇ 2	⬆ 1	⬆ 1	⬆ 1	37.5		31.6	30.9
60	GIMPS China	81935	⬇ 11	⬇ 2	⬇ 1	⬇ 1	86.3		7.5		5.8
61	VIPR	80126	⬆ 31	⬆ 13	⬆ 6	⬆ 1	92.1		5.9	1.8
62	SHADO	79889	⬇ 1	⬆ 1	⬇ 1	⬇ 1			63.0	18.3	11.4	1.3
63	Wile E. Coyote	79059	⬆ 6	⬆ 3	⬇ 1				74.8	0.4	24.8
64	Net-Work	74658			⬇ 1		5.6	2.2			84.1
65	Eratosthenes Sieve	72691		⬆ 2	⬇ 1		0.8		95.2	3.9
66	randomteam	71704	⬇ 26	⬇ 10							100.0
67	Cap'n Entropy's Cavalcade of Wonderment	68985	⬇ 9	⬇ 2	⬆ 1	⬆ 1	69.9	7.8	19.3	3.1
68	BitMEX Research	68153	⬇ 18	⬇ 6	⬇ 3	⬇ 1			95.3	4.7
69	Esperanto	66382	⬇ 3	⬇ 1				26.0	4.8	69.0	0.2
70	S147127	66077	⬆ 4	⬆ 2	⬆ 1		31.2		21.9	46.8
71	Team Israel	63903	⬆ 2		⬇ 1		97.1		2.5	0.4
72	ParadoxZ Commando	62985	⬇ 1	⬇ 2					72.7	27.3
73	AJ	57114	⬇ 5	⬇ 4					75.1	24.9
74	Team_Italia	56632	⬇ 2	⬆ 1			3.3	0.6	63.3	25.8	3.2	2.9
75	EgyptianPolymaths	54327	⬇ 19	⬇ 2				79.4
76	Hungary	52997	⬇ 9						4.6	1.4	93.9
77	Brno University of Technology	47021	⬇ 2	⬆ 1				4.6	75.4	20.0
78	ComputerraRU	43744	⬇ 1	⬇ 1			24.4		71.8	3.8
79	GIMPS.NEO	40877	⬇ 3						78.2	21.8
80	Team Belgium	38691	⬇ 2				1.4	2.5	32.8	25.6	37.7
81	Turku	36285	⬆ 2	⬆ 2					100.0
82	Team Viet Nam	36031	⬇ 2	⬇ 1			33.9		36.9	29.2
83	huskers-gimps	35936	⬆ 2	⬆ 1					74.5	25.5
84	HardOCP	34565	⬇ 3	⬇ 2					70.1	29.9
85	Team H	33695	⬇ 3				12.9		86.5	0.5
86	Hermessz	33495	⬆ 1	⬆ 1	⬆ 1		64.8		35.2
87	Debian	33368	⬇ 3	⬇ 1	⬇ 1				98.2	1.8
88	ᕙ(⇀‸↼‶)ᕗ	33129	⬆ 3				0.6		98.9	0.4
89	baraCUDA	29906	⬆ 133						100.0
90	Small-Team-2000	29503							5.3	94.7
91	Channel 4	27356	⬆ 2	⬆ 1					81.6	18.4
92	The Fellowship of Infinity	27352	⬆ 3	⬆ 1					99.5	0.5
93	MurrayInfoSys	25721	⬆ 4	⬆ 1	⬆ 1				66.7	33.3
94	Costa Rica	25654	⬆ 2	⬆ 1	⬇ 1				77.0	22.7
95	Aiblspitz	24769	⬆ 20	⬆ 3	⬆ 1		0.1	85.7	3.2	10.9
96	socal_prime	24214	⬇ 8	⬇ 5	⬇ 1				74.3	25.4	0.1
97	Georgia Tech	20319	⬆ 13						100.0
98	A Single Engineer	18488	⬆ 2	⬆ 2					75.8	24.2
99	LimePrime	18287	⬇ 5	⬆ 6	⬆ 4	⬆ 1		7.7	82.1	10.2
100	Team Retired	18089	⬇ 2	⬇ 1	⬇ 1	⬇ 1			30.3	11.7
101	NUST	17813	⬆ 8	⬆ 7	⬆ 6	⬆ 4	30.3	62.5	4.7	2.4
102	GIMPS Romania	17357	⬆ 43	⬆ 2	⬇ 1	⬇ 1	74.1		22.9	3.0
103	Com Systems (RU)	16859	⬆ 15	⬆ 3	⬆ 1	⬇ 1			69.6	30.4
104	PrimitiveRootsCircle	16789	⬇ 5	⬇ 3	⬇ 4	⬇ 1	14.5		51.9	30.8	2.9
105	SpartaAlumni	16771	⬇ 4	⬇ 2	⬇ 3	⬇ 1			74.8	25.2
106	MES-Team	14367	⬇ 17	⬇ 4	⬇ 1		71.2	6.4		22.4
107	TurkishMath	13669	⬆ 20	⬆ 7	⬆ 1				94.3	5.7
108	Spain	13473	⬇ 3	⬇ 1	⬇ 2				69.9	30.1
109	RobotechResearch	13385	⬆ 19	⬆ 4					47.8	52.2
110	moeses	12590	⬆ 3						99.0	1.0
111	Quantus	12170	⬇ 4	⬆ 1	⬆ 2		10.0		13.0	25.1		51.9
112	Ozzie Prime	12080	⬇ 10	⬇ 3					39.2	15.5		45.2
113	Nerdfighters for Mersenne Primes	11439	⬇ 10	⬇ 2	⬇ 2				89.7	10.3
114	FREE ROBUX	10852	⬆ 7	⬆ 4	⬆ 1				100.0
115	Team Slovenia	10729	⬆ 1		⬆ 1				65.3	34.6
116	Portland State University	10717	⬇ 5	⬆ 4	⬆ 3	⬆ 2		42.6	42.3	15.1
117	Royal Military College of Canada	10691	⬆ 5	⬆ 2		⬇ 1	89.7		7.9	2.4
118	Team Finland	10532	⬇ 6	⬇ 2		⬇ 1	1.5		95.9		2.5
119	University of Waterloo	10222	⬆ 18	⬆ 6	⬆ 2				97.3	2.7
120	SETI.Germany	9607	⬇ 12	⬇ 3	⬇ 6			9.9		90.1
121	Syntony	9507	⬆ 5	⬆ 1	⬇ 1					100.0
122	LTT fans	9056	⬇ 43	⬇ 26			92.5				7.5
123	Shaffer's Studio	8783	⬆ 2	⬆ 4	⬆ 2				88.8	11.0
124	Granada	8714	⬇ 1	⬇ 3			25.0		27.1	47.1
125	JiBoTeam	8639	⬆ 4	⬇ 1	⬇ 2					100.0
126	math.auth.gr	8551	⬆ 44	⬆ 5	⬆ 2				100.0
127	Pavlicin	8407	⬆ 95	⬆ 10	⬆ 2		79.7	0.1	20.2
128	Mensa	8400	⬇ 14	⬇ 2	⬆ 2				84.3	15.7
129	FreeBSD	8386	⬆ 3	⬆ 4	⬆ 2				75.9	24.1
130	Die Zeitfinder	7926	⬆ 1	⬇ 2	⬇ 4				90.2	9.8
131	Abacus	7919	⬆ 3	⬆ 4	⬆ 4				99.0	1.0
132	Triangle	7908	⬆ 3	⬇ 2					98.9	1.1
133	Server66	7649	⬇ 9	⬆ 25			100.0
134	GIMPS.Taiwan	7047	⬇ 14	⬇ 11	⬇ 7				81.2	18.1	0.1
135	Team Norway	6791	⬇ 31	⬇ 6	⬆ 1		75.0			7.5	17.1
136	Prime Rib	6579	⬆ 4	⬇ 2	⬇ 2				96.3	3.6
137	FactorMania	6572	⬆ 19	⬆ 1				56.9			43.1
138	Arpan Sen Labs	6412	⬆ 36	⬆ 8	⬆ 3				57.7	42.2
139	Team Christensen	6029	⬆ 3	⬆ 2	⬆ 1					100.0
140	irowiki	5905	⬇ 2	⬇ 1	⬇ 2					100.0
141	México mágico	5564	⬆ 12	⬆ 1	⬆ 1				85.4	14.6
142	Elisabeth-von-Thadden-Schule	5505	⬆ 2	⬆ 2	⬆ 1				42.1	57.9
143	Morocco	5425	⬆ 44	⬆ 11	⬆ 1	⬆ 1			60.3	39.7
144	Brasil	5293	⬇ 5	⬇ 4	⬇ 5	⬇ 1			74.1	25.8
145	KnightLight	5101	⬆ 60	⬆ 3						100.0
146	nmbarek_team	4946	⬆ 2	⬆ 3					99.9	0.1
147	DePaul MAT 141	4934	⬆ 75	⬆ 12					99.6	0.4
148	Crunching@EVGA	4888	⬆ 6	⬆ 3					99.7	0.3
149	The_Dude_Abides	4835	⬆ 1	⬆ 4			6.4			73.3	1.0
150	Korea.Prime	4709	⬆ 9	⬆ 2					66.8	33.2
151	Hong Kong GIMP	4706	⬇ 2	⬇ 6					66.8	33.2
152	YESHUA IS THE MESSIAH	4648	⬆ 44	⬆ 5					99.2	0.8
153	Hyperion	4221	⬇ 23	⬇ 10						13.4
154	teamMALI	4158	⬇ 7	⬇ 4					75.7	24.3
155	Noam Karni Team	3963	⬆ 2						79.7	20.3
156	Phi Kappa Theta	3756	⬆ 8	⬆ 6	⬆ 2				66.1	33.8
157	MES22-Team	3277	⬇ 24	⬆ 3			100.0
158	Politeknik Banting, Selangor	3101	⬇ 39	⬇ 11	⬆ 1		65.4		25.5	9.1
159	Olympic College	3075	⬇ 4	⬇ 3	⬇ 3					100.0
160	Team_Brazil	2999	⬆ 1	⬆ 5			83.1	0.2		16.7
161	GIMPS.Hong Kong	2650	⬇ 3	⬆ 5			2.9		60.9	36.2
162	zeit	2598	⬇ 10	⬆ 1			9.4			90.6
163	Pi Rho	2499	⬆ 3	⬆ 5	⬆ 1				67.1	32.9
164	GIMPSMalaysia	2394	⬆ 3	⬆ 5	⬆ 1	⬆ 1			66.8	33.2
165	Furry Primes	2378	⬇ 19	⬇ 4	⬇ 2	⬇ 1	78.4			21.6
166	CZAsTc	2288	⬆ 19	⬆ 14	⬆ 1				99.5	0.4
167	Kabylie	2209	⬇ 7	⬇ 3	⬆ 1		17.3	1.9	35.1	45.6
168	Team Austria	2199	⬇ 82	⬇ 32	⬆ 1		12.8	9.5	77.7
169	GIMPS_KS	2199	⬆ 2	⬆ 2	⬆ 1				36.5	62.0	1.4
170	VRS_SE	2105	⬇ 2		⬆ 1				74.9	25.1
171	The Prime Pioneers	1919	⬆ 5	⬆ 1	⬆ 1			100.0
172	The Pensis	1869	⬆ 5	⬆ 1	⬆ 1					100.0
173	San Francisco	1586	⬆ 7	⬆ 1	⬆ 1				100.0
174	hreid	1575	⬆ 24	⬆ 1	⬆ 1				100.0
175	cr_colorado	1549	⬆ 7	⬆ 1	⬆ 1					100.0
176	Team Splunk	1548	⬇ 40	⬇ 44	⬇ 10				100.0
177	Obsidian	1542	⬇ 5							100.0
178	I Love Canadian Natural Resources	1514	⬇ 13	⬆ 1						100.0
179	3DCenter.org	1194	⬇ 16	⬇ 1							100.0
180	Amserver	1066	⬆ 42	⬆ 40			100.0
181	Join Us 😈	1060	⬆ 18	⬆ 2			66.8			33.2
182	youngfun429	1037	⬇ 39						75.3	24.7
183	TunisianTeam	1031	⬇ 10	⬆ 1					75.0	25.0
184	Therian Primes	1007	⬆ 5	⬆ 1				14.6		52.4	33.0
185	Czech National Team	903	⬆ 1	⬆ 1			4.1		91.8	0.8	2.0
186	RafaÅ‚ HacuÅ›	860	⬆ 36	⬆ 3	⬆ 1				100.0
187	AWC	801	⬆ 6	⬆ 3	⬆ 1				100.0
188	GIMPS Asturias	794	⬆ 6	⬆ 4	⬆ 3				99.6	0.4
189	F=dp/dt	794	⬇ 11	⬆ 2	⬆ 1				100.0
190	Weatopians	793	⬆ 5	⬆ 3	⬆ 2				99.7	0.3
191	TimE4This	626	⬇ 1	⬇ 3	⬇ 5					100.0
192	SGDynamo Dresden	564	⬆ 8	⬆ 3	⬆ 1		100.0
193	PARG team	563	⬆ 26	⬆ 9	⬆ 1					96.2	3.8
194	PrimeObsession	539	⬆ 7	⬆ 2	⬆ 1					100.0
195	GIMPS.Romania	422	⬆ 27	⬆ 4	⬆ 2				100.0
196	GIMPS_IOM	399	⬇ 17	⬇ 9			100.0
197	His Dark Materials	331	⬇ 9	⬆ 1	⬆ 1						99.8
198	Yurunago	276	⬆ 8	⬆ 5	⬆ 1					100.0
199	Vegan	275	⬆ 23	⬆ 6	⬆ 1					100.0
200	Byberg Nordic Prime	265	⬇ 3	⬆ 6	⬆ 1					100.0
201	FDY	265	⬆ 21	⬆ 6	⬆ 1					100.0
202	Subprime Searches	256	⬇ 27	⬇ 8	⬆ 1					100.0
203	GIMPS Hams	253	⬆ 6	⬆ 6	⬆ 1			100.0
204	WSU Cougars	247	⬇ 42	⬇ 23	⬆ 1					100.0
205	Team Dominik Radler	244	⬇ 2	⬇ 1	⬆ 1		100.0
206	miiro	240	⬆ 8	⬆ 4	⬆ 2		100.0
207	Zorin OS Crew	237	⬇ 23	⬇ 10	⬆ 2					100.0
208	DividerHunt	221	⬆ 2	⬆ 3	⬆ 2		100.0
209	Manri Costa Rica	213	⬆ 2	⬆ 3	⬆ 3					100.0
210	/r/counting	184	⬇ 6	⬆ 3	⬆ 3
211	alan145	180	⬇ 19	⬇ 11			100.0
212	GIMPS.Peace	122	⬆ 3	⬆ 2	⬆ 2		44.7	55.3
213	TeamUbuntu	121	⬆ 3	⬆ 2	⬆ 2					100.0
214	sannerud.com	108	⬆ 3	⬆ 2	⬆ 2		43.1				19.4	37.5
215	Team Bulgaria	46	⬇ 2	⬆ 2	⬆ 2						100.0
216	PROMYS	23	⬆ 2	⬆ 2	⬆ 2						100.0
217	yfinder	1	⬆ 4	⬆ 2	⬆ 2					100.0