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
25171943TF
No factors below 274
TF target 270
P-1
B1 = 300000
B2 = 7500000
LL
StatusDateUserResidueShift
Verified2004-09-02Grey Smith590291B1AFFC4F9811517799
Verified2005-05-12Stephan Grupp590291B1AFFC4F9812113194
Verified2005-09-22Stephan Grupp590291B1AFFC4F9812113194
History
DateUserTypeResult
2021-09-13TheJudgerNF
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
2021-06-07mikrNF
no factor from 2^70 to 2^71
2017-06-11ramgeisNF
no factor from 2^69 to 2^70
2017-06-11ramgeisNF
no factor from 2^68 to 2^69
2016-01-04VictordeHollanderNF
no factor from 2^67 to 2^68