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
55845931No factors below 274
P-1
B1=550 000
B2=11 275 000
LL
StatusDateUserResidueShift
Verified2012-12-02curtisc9D7F72B641DDDC7927706212
Verified2021-04-20XZT9D7F72B641DDDC7912446508
Bad2021-05-11-Anonymous-8E7D13FA0AA7E68E12299929
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2019-10-12-Anonymous-LL double-checkLL1.3 % 2019-10-232019-12-02
2019-08-03-Anonymous-LL double-check0.0 % 2019-08-032019-09-12
2019-05-21-Anonymous-LL double-check0.0 % 2019-05-212019-06-30
2019-03-11-Anonymous-LL double-checkLL0.0 % 2019-03-112019-04-20
2018-12-31-Anonymous-LL double-check0.0 % 2018-12-312019-02-09
History
DateUserTypeResult
2021-05-11-Anonymous-C-LL8E7D13FA0AA7E68E
2021-04-20XZTC-LL9D7F72B641DDDC79
2019-03-04Luigi MorelliNFno factor from 2^73 to 2^74
2016-02-05-Anonymous-NFno factor from 2^72 to 2^73
2012-12-02curtiscC-LL9D7F72B641DDDC79
2012-08-21GrunwalderGIMPNF-PM1B1=550000, B2=11275000
2012-06-19Jerry HallettNFno factor from 2^71 to 2^72
2011-10-11amberjrNFno factor from 2^70 to 2^71
2011-06-14ITSNFno factor from 2^69 to 2^70
2011-04-09XyzzyNFno factor from 2^68 to 2^69
2009-05-18Sturle SundeNFno factor from 2^67 to 2^68
2009-03-18RoaldSNFno factor from 2^66 to 2^67
2009-03-15angel63NFno factor from 2^65 to 2^66
2009-03-09KYOJI_KAMEINFno factor from 2^64 to 2^65
2008-11-241997rj7NFno factor to 2^64
2002-08-17-Anonymous-NFno factor to 2^58
2001-09-22-Anonymous-NFno factor to 2^57
2000-06-11-Anonymous-NFno factor to 2^56
2000-03-01-Anonymous-NFno factor to 2^54
2000-01-19-Anonymous-NFno factor to 2^53
1999-12-15-Anonymous-NFno factor to 2^53