Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
10515937
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
252382489927.9old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
Certified Good
2020-09-08storm55101CB772A9FD53EF8F134576053
History
DateUserTypeResult
2026-01-19Sid & AndyNF-PM1B1=2400000, B2=1811388150
2020-09-08Ben DeloCERT
Proof certified good
2020-09-08storm5510C-PRPM10515937/252382489 : 1CB772A9FD53EF8F
Proof Certified Good

Proof Power: 8