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
7858561
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
47151367825.5old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-05-23storm55102DE9C6F7A048DD9D1266275553
Verified
PRP without proof (not generated)
2019-10-26Oliver Kruse2DE9C6F7A048DD9D1458035453
History
DateUserTypeResult
2024-01-31Stef42NF-PM1B1=950000, B2=1968826860
2019-10-26Oliver KruseC-PRPM7858561/47151367 : 2DE9C6F7A048DD9D
2018-05-23storm5510C-PRPM7858561/47151367 : 2DE9C6F7A048DD9D