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
27495151Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 270
P-1
B1 = 320000
B2 = 6640000
LL
StatusDateUserResidueShift
Verified2005-02-18Deniz ARIKANB8CD56B5A807BFFC3234508
Verified2011-11-07Yaw MawnB8CD56B5A807BFFC19372080
History
DateUserTypeResult
2021-09-12TheJudgerNF
no factor from 2^73 to 2^74
2021-08-25TheJudgerNF
no factor from 2^72 to 2^73
2021-08-22TheJudgerNF
no factor from 2^71 to 2^72
2019-09-27-Anonymous-NF
no factor from 2^70 to 2^71
2018-09-21ramgeisNF
no factor from 2^69 to 2^70
2018-04-19VictordeHollanderNF
no factor from 2^68 to 2^69
2015-08-31NesowaNF
no factor from 2^67 to 2^68
2011-11-07Yaw MawnC-LL
B8CD56B5A807BFFC