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
27032399Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 270
P-1
B1 = 600000
B2 = 404102790
LL
StatusDateUserResidueShift
Verified2005-02-02Carsten Lutz3457843942AEC53710603033
Verified2011-09-03Keen Computers3457843942AEC5375237549
History
DateUserTypeResult
2021-12-27axnNF-PM1
B1=600000, B2=404102790
2021-10-11TheJudgerNF
no factor from 2^74 to 2^75
2021-09-19TheJudgerNF
no factor from 2^73 to 2^74
2021-08-23TheJudgerNF
no factor from 2^72 to 2^73
2021-08-23TheJudgerNF
no factor from 2^71 to 2^72
2021-02-12mikrNF
no factor from 2^70 to 2^71
2018-09-04chuenkitNF
no factor from 2^69 to 2^70
2018-04-09VictordeHollanderNF
no factor from 2^68 to 2^69
2016-01-12NRNF
no factor from 2^67 to 2^68
2011-09-03Keen ComputersC-LL
3457843942AEC537