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:










MnStatusDetails
86056583Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 280
TF target 275
P-1
B1 = 695000
B2 = 13726250
ECM
DigitsB1Curves
2550000127 / 280
Estimated T-Level: 22.3 ⓘ
LL
StatusDateUserResidueShift
Verified2018-06-27Yxinity28F5D705E900CD5552637816
Verified2025-03-28mewturn28F5D705E900CD550
History
DateUserTypeResult
2025-03-28mewturnC-LL
28F5D705E900CD55
2018-06-27YxinityC-LL
28F5D705E900CD55
2018-06-22YxinityNF
no factor from 2^79 to 2^80
2018-06-20YxinityNF
no factor from 2^78 to 2^79
2018-06-17YxinityNF
no factor from 2^77 to 2^78
2018-06-17YxinityNF
no factor from 2^76 to 2^77
2018-06-17YxinityNF
no factor from 2^69 to 2^70
2018-06-17YxinityNF
no factor from 2^68 to 2^69
2018-06-17YxinityNF
no factor from 2^67 to 2^68
2018-06-17YxinityNF
no factor from 2^32 to 2^67
2018-03-18TheJudgerNF-PM1
B1=695000, B2=13726250, E=12
2017-12-10Strolling JellyfishNF
no factor from 2^75 to 2^76
2017-11-04Brian BeuningNF
no factor from 2^74 to 2^75
2017-05-24-Anonymous-NF
no factor from 2^73 to 2^74
2017-03-22Judge HaleNF
no factor from 2^72 to 2^73
2017-03-22Judge HaleNF
no factor from 2^71 to 2^72
2014-03-03Ryan PropperNF
no factor from 2^70 to 2^71
2013-08-16processinfoNF
no factor from 2^69 to 2^70
2013-03-08Freaks32NF
no factor from 2^68 to 2^69
2013-03-02Freaks32NF
no factor from 2^67 to 2^68
2013-02-28Freaks32NF
no factor from 2^66 to 2^67
2011-01-20Michael CNF
no factor from 2^65 to 2^66
2010-11-20Architects CubedNF
no factor from 2^64 to 2^65