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
24486227Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 270
P-1
B1 = 260000
B2 = 2990000
LL
StatusDateUserResidueShift
Verified2004-06-12Michael Shafer4D16EC0A6C796A9416193437
Verified2010-08-22TheJudger4D16EC0A6C796A948696347
History
DateUserTypeResult
2021-10-22TheJudgerNF
no factor from 2^74 to 2^75
2021-10-01TheJudgerNF
no factor from 2^73 to 2^74
2021-08-30TheJudgerNF
no factor from 2^72 to 2^73
2021-08-30TheJudgerNF
no factor from 2^71 to 2^72
2021-08-05SRBaseNF
no factor from 2^70 to 2^71
2018-09-18ramgeisNF
no factor from 2^69 to 2^70
2018-02-14VictordeHollanderNF
no factor from 2^68 to 2^69
2016-05-24VictordeHollanderNF
no factor from 2^67 to 2^68
2010-08-22TheJudgerC-LL
4D16EC0A6C796A94