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
25390649Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 270
P-1
B1 = 1000000
B2 = 530456850
LL
StatusDateUserResidueShift
Verified2004-09-16zmerlDD75F58D69A5D29821206229
Verified2010-10-16S485122DD75F58D69A5D2989166387
History
DateUserTypeResult
2022-01-13Anton RepkoNF-PM1
B1=1000000, B2=530456850
2021-10-17TheJudgerNF
no factor from 2^74 to 2^75
2021-09-30TheJudgerNF
no factor from 2^73 to 2^74
2021-08-28TheJudgerNF
no factor from 2^72 to 2^73
2021-08-28TheJudgerNF
no factor from 2^71 to 2^72
2021-06-15mikrNF
no factor from 2^70 to 2^71
2017-05-28ramgeisNF
no factor from 2^69 to 2^70
2017-05-28ramgeisNF
no factor from 2^68 to 2^69
2016-01-15VictordeHollanderNF
no factor from 2^67 to 2^68
2010-10-16S485122C-LL
DD75F58D69A5D298
2010-09-16S485122NF-PM1
B1=615000, B2=20141250, E=12