Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
65452987Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 276
TF target 274
P-1
B1 = 585000
B2 = 11846250
LL
StatusDateUserResidueShift
Verified2014-01-28Ari MäkinenA5E40B531D9C265D7005917
Verified2023-08-01IronsideA5E40B531D9C265D43475879
History
DateUserTypeResult
2023-08-01IronsideC-LL
A5E40B531D9C265D
2020-05-31-Anonymous-NF
no factor from 2^75 to 2^76
2019-10-11krackerNF
no factor from 2^74 to 2^75
2016-03-27Mark RoseNF
no factor from 2^60 to 2^63
2014-01-28Ari MäkinenC-LL
A5E40B531D9C265D
2013-08-11timc995NF-PM1
B1=585000, B2=11846250, E=12
2013-08-06Jerry HallettNF
no factor from 2^73 to 2^74
2013-06-12TheJudgerNF
no factor from 2^72 to 2^73
2013-06-12TheJudgerNF
no factor from 2^71 to 2^72
2013-06-12TheJudgerNF
no factor from 2^70 to 2^71
2012-02-23ANONYMOUSNF
no factor from 2^69 to 2^70
2010-02-19Team_Elteor_Borislavj~BroncoNF
no factor from 2^68 to 2^69
2009-03-30werdwerdusNF
no factor from 2^67 to 2^68
2009-03-26PiepenNF
no factor from 2^66 to 2^67
2009-03-24Kamil KosinskiNF
no factor from 2^65 to 2^66
2009-03-21lindedNF
no factor from 2^64 to 2^65
2009-01-11Wojciech FlorekNF
no factor from 2^63 to 2^64