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
10479221
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
398210399928.6old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
Certified Good
2020-08-08storm5510791103762B9C14FB1176193253
History
DateUserTypeResult
2020-08-09George WoltmanCERT
Proof certified good
2020-08-08storm5510C-PRPM10479221/398210399 : 791103762B9C14FB
Proof Certified Good

Proof Power: 8