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
79864727Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 275
TF target 275
P-1
B1 = 750000
B2 = 16125000
LL
StatusDateUserResidueShift
Unverified2018-03-08curtisc6A84C6FE5F010C__51846203
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2025-04-01ANONYMOUSLL double-check0.00 % 2025-04-01
History
DateUserTypeResult
2018-03-08curtiscC-LL
6A84C6FE5F010C__
2016-01-25dh1NF
no factor from 2^74 to 2^75
2016-01-24TheJudgerNF-PM1
B1=750000, B2=16125000, E=12
2016-01-12el groccoNF
no factor from 2^73 to 2^74
2015-12-17Mark RoseNF
no factor from 2^72 to 2^73
2015-12-17Mark RoseNF
no factor from 2^71 to 2^72
2013-06-18tomfrNF
no factor from 2^70 to 2^71
2013-06-17tomfrNF
no factor from 2^71 to 2^72
2013-01-29TMarshallNF
no factor from 2^69 to 2^70
2013-01-26TMarshallNF
no factor from 2^68 to 2^69
2012-11-25AxelssonNF
no factor from 2^67 to 2^68
2011-05-13Carsten KossendeyNF
no factor from 2^66 to 2^67
2010-12-12Craig MeyersNF
no factor from 2^65 to 2^66
2010-11-30Architects CubedNF
no factor from 2^64 to 2^65
2009-05-26Architects CubedNF
no factor from 2^63 to 2^64