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
25015547Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 270
P-1
B1 = 1010500
B2 = 69244560
LL
StatusDateUserResidueShift
Verified2005-03-06Tom Albano25677E6AE8DC9E893945462
Verified2011-03-28Dr. Nowak25677E6AE8DC9E898548981
History
DateUserTypeResult
2025-04-05NStormNF-PM1
B1=1010500, B2=69244560
2022-12-30RichD0NF
no factor from 2^72 to 2^73
2022-08-25Jon PaceNF
no factor from 2^71 to 2^72
2021-05-29mikrNF
no factor from 2^70 to 2^71
2017-04-26ramgeisNF
no factor from 2^69 to 2^70
2017-04-26ramgeisNF
no factor from 2^68 to 2^69
2015-12-18VictordeHollanderNF
no factor from 2^67 to 2^68
2011-03-28Dr. NowakC-LL
25677E6AE8DC9E89