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
5685221Factored
FactorDigitsBitsDate
2823707026356875591858.0old
19810147017878699031960.82008-09-08 01:40:38
425528084537180434492065.22018-07-25 09:34:16
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-12-15Oliver Kruse47B5F7A96E697CD22414775453
Verified (Factored)2018-04-12kkmrkkblmbrbk47B5F7A96E697CD2281631453
Verified2018-07-27_p95holder_47B5F7A96E697CD23154707153
History
DateUserTypeResult
2023-05-12This -Anonymous-NF-PM1
B1=50000, B2=1000000, E=6
2018-07-27_p95holder_C-PRP
M5685221/282370702635687559/1981014701787869903/42552808453718043449 : 47B5F7A96E697CD2
PRP: Verified
PRP without proof (not generated)
2018-07-25TJAOIF
Factor: 42552808453718043449 / TF: 65-66
2018-04-12kkmrkkblmbrbkC-PRP
M5685221/282370702635687559/1981014701787869903 : 47B5F7A96E697CD2
PRP: Verified
PRP without proof (not generated)
2017-12-15Oliver KruseC-PRP
M5685221/282370702635687559/1981014701787869903 : 47B5F7A96E697CD2
PRP: Verified
PRP without proof (not generated)
2008-09-08Will EdgingtonF-ECM
Factor: 1981014701787869903