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:





MnDetails
8439601
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
50637607825.6old
1810800790571237.42008-09-08 04:33:06
1570250640645342428812167.12021-09-01 11:34:21
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-10-28trebor01052C99C10471C82259973653
Factored
PRP without proof (not generated)
2020-06-01arnaud01052C99C10471C82383911353
Verified
Certified Good
2021-09-08RichD001052C99C10471C83710645253
History
DateUserTypeResult
2024-04-07Stef42NF-PM1B1=3000000, B2=5577272610
2021-09-08curtiscCERT
Proof certified good
2021-09-08RichD0C-PRPM8439601/50637607/181080079057/157025064064534242881 : 01052C99C10471C8
Proof Certified Good

Proof Power: 8

2021-09-01TJAOIFFactor: 157025064064534242881
2020-06-01arnaudC-PRPM8439601/50637607/181080079057 : 01052C99C10471C8
2018-10-28treborC-PRPM8439601/50637607/181080079057 : 01052C99C10471C8
2008-09-08Will EdgingtonFFactor: 181080079057