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:





MnDetails
7845451
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
386780734311135.2old
1201295457131236.82008-09-08 03:40:32
1071828322490656147512166.52020-05-13 10:29:34
2567818286349160793532167.82023-05-03 08:51:38
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
PRP without proof (not generated)
2018-05-24Oliver Kruse922D2F736E06FFB62487576353
Factored
PRP without proof (not generated)
2019-10-22ATH922D2F736E06FFB62109890553
Factored
PRP without proof (not generated)
2020-05-14Luigi Morelli922D2F736E06FFB63537356453
Verified
Certified Good
2023-05-09Funky Waddle922D2F736E06FFB64438451553
History
DateUserTypeResult
2024-02-20Stef42NF-PM1B1=2500000, B2=4970511000
2023-05-09LOBESCERT
Proof certified good
2023-05-09Funky WaddleC-PRPM7845451/38678073431/120129545713/107182832249065614751/256781828634916079353 : 922D2F736E06FFB6
Proof Certified Good

Proof Power: 8

2023-05-03TJAOIFFactor: 256781828634916079353
2020-05-14Luigi MorelliC-PRPM7845451/38678073431/120129545713/107182832249065614751 : 922D2F736E06FFB6
2020-05-13TJAOIFFactor: 107182832249065614751
2019-10-22ATHC-PRPM7845451/38678073431/120129545713 : 922D2F736E06FFB6
2018-05-24Oliver KruseC-PRPM7845451/38678073431/120129545713 : 922D2F736E06FFB6
2008-09-08Will EdgingtonFFactor: 120129545713