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
16880057Factored
FactorDigitsBitsDate
21606472971031.0old
49627367591032.22008-09-08 12:41:29
939881573771136.52008-09-08 12:41:29
37774866756891341.82008-09-08 12:41:29
2289792898494471547.72008-09-08 12:41:29
4195986586814692334232168.52023-01-24 03:13:40
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-01-30Naegi Makoto601727B4727F11CA61491517753
History
DateUserTypeResult
2024-03-15nordiNF-PM1
B1=500000
2023-01-30Michael PawellekCERT
PRP Certification
Proof certified good
2023-01-30Naegi MakotoC-PRP
M16880057/2160647297/4962736759/93988157377/3777486675689/228979289849447/419598658681469233423 : 601727B4727F11CA
PRP proof power = 8
PRP: Verified
Proof certified good
2023-01-24LordJuliusNF
no factor from 2^69 to 2^70
2023-01-24LordJuliusNF
Redundant composite factor (4962736759*93988157377) from 2^68 to 2^69
2023-01-24LordJuliusF
Factor: 419598658681469233423 / TF: 68-69
2023-01-24LordJuliusNF
Redundant composite factor (2160647297*93988157377) from 2^67 to 2^68
2008-09-08Will EdgingtonF
Factor: 228979289849447
2008-09-08Will EdgingtonF
Factor: 3777486675689
2008-09-08Will EdgingtonF
Factor: 93988157377
2008-09-08Will EdgingtonF
Factor: 4962736759