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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
65392027Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 670000
B2 = 15577500
LL
StatusDateUserResidueShift
Verified2014-05-07curtisc12008C42838F7CE030047744
Verified2023-06-23Sergey Nosov12008C42838F7CE031144907
History
DateUserTypeResult
2023-06-23Sergey NosovC-LL
12008C42838F7CE0
2021-08-08tottenhoffNF
no factor from 2^74 to 2^75
2016-03-28Mark RoseNF
no factor from 2^60 to 2^63
2014-05-07curtiscC-LL
12008C42838F7CE0
2014-02-02Jerry HallettNF
no factor from 2^73 to 2^74
2014-01-14Jerry HallettNF
no factor from 2^72 to 2^73
2014-01-12TheJudgerNF-PM1
B1=670000, B2=15577500, E=6
2013-12-10SWL551NF
no factor from 2^71 to 2^72
2012-07-02tmorrowNF
no factor from 2^70 to 2^71
2012-02-05ANONYMOUSNF
no factor from 2^69 to 2^70
2010-01-27angel63NF
no factor from 2^68 to 2^69
2010-01-23angel63NF
no factor from 2^67 to 2^68
2009-11-13Lars NordmeyerNF
no factor from 2^66 to 2^67
2009-11-08SAHS Science DeptNF
no factor from 2^65 to 2^66
2009-03-19ArcheNF
no factor from 2^64 to 2^65
2009-01-11Wojciech FlorekNF
no factor from 2^63 to 2^64