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
93504977Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 277
TF target 275
P-1
B1 = 720000
B2 = 13680000
LL
StatusDateUserResidueShift
Verified2020-03-16frolyar605565556F3A620E72375892
Verified2025-03-28Thunderrsam605565556F3A620E45745978
History
DateUserTypeResult
2025-03-28ThunderrsamC-LL
605565556F3A620E
2020-03-16frolyarC-LL
605565556F3A620E
2019-08-26Ryan PropperNF-PM1
B1=720000, B2=13680000, E=6
2019-08-25TheJudgerNF
no factor from 2^76 to 2^77
2019-08-25TheJudgerNF
no factor from 2^75 to 2^76
2019-08-25TheJudgerNF
no factor from 2^74 to 2^75
2019-05-24lobsterfordinnerNF
no factor from 2^73 to 2^74
2019-03-08TravisJankNF
no factor from 2^72 to 2^73
2018-07-22Andrew LuebkeNF
no factor from 2^71 to 2^72
2014-11-03Preben SNF
no factor from 2^70 to 2^71
2014-04-21SMoffatNF
no factor from 2^69 to 2^70
2014-04-20]mh[ VirtekNF
no factor from 2^68 to 2^69
2014-04-16]mh[ VirtekNF
no factor from 2^67 to 2^68
2014-04-11hkskypNF
no factor from 2^66 to 2^67
2014-01-08sasakiNF
no factor from 2^65 to 2^66
2011-01-14Architects CubedNF
no factor from 2^64 to 2^65