Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:
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MnStatusDetails
56847757No factors below 276
P-1
B1=570 000
B2=11 970 000
LL
StatusDateUserResidueShift
Verified2013-06-15Fabrice BelletE7A55DF627FE5A9E53756753
Verified2021-06-07Jon PaceE7A55DF627FE5A9E19087202
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2020-08-10-Anonymous-LL double-check0.0 % 2020-08-102020-09-20
2020-04-19chaselLL double-checkLL0.0 % 2020-07-012020-08-10
2020-02-05-Anonymous-LL double-checkLL1.7 % 2020-02-182020-03-29
2019-10-16-Anonymous-LL double-checkLL0.0 % 2019-10-162019-11-25
History
DateUserTypeResult
2021-06-07Jon PaceC-LLE7A55DF627FE5A9E
2020-11-03-Anonymous-NFno factor from 2^75 to 2^76
2020-10-17-Anonymous-NFno factor from 2^74 to 2^75
2018-11-26ChuckNFno factor from 2^73 to 2^74
2016-02-23Mark RoseNFno factor from 2^58 to 2^63
2015-12-31-Anonymous-NFno factor from 2^72 to 2^73
2013-06-15Fabrice BelletC-LLE7A55DF627FE5A9E
2012-08-11ChuckNF-PM1B1=570000, B2=11970000, E=6
2012-06-02-Anonymous-NFno factor from 2^71 to 2^72
2011-09-24tmorrowNFno factor from 2^70 to 2^71
2011-06-08-Anonymous-NFno factor from 2^69 to 2^70
2011-04-22mtlNFno factor from 2^68 to 2^69
2009-11-21CreweNetNFno factor from 2^67 to 2^68
2008-08-28Sturle SundeNFno factor from 2^66 to 2^67
2008-08-18Sturle SundeNFno factor from 2^65 to 2^66
2008-08-17Sturle SundeNFno factor from 2^64 to 2^65
2008-08-16Sturle SundeNFno factor from 2^63 to 2^64
2002-11-09-Anonymous-NFno factor to 2^58
2001-09-30-Anonymous-NFno factor to 2^57
2000-06-28-Anonymous-NFno factor to 2^56
2000-03-08-Anonymous-NFno factor to 2^54
2000-01-19-Anonymous-NFno factor to 2^53
1999-12-23-Anonymous-NFno factor to 2^53