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
8440979
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
16881959824.0old
2118775008610250554012167.52022-10-05 08:33:18
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-10-27ATHDEAC6A46729D75A01351479853
Factored
PRP without proof (not generated)
2020-06-01arnaudDEAC6A46729D75A01282221253
Verified
Certified Good
2022-10-11Oliver KruseDEAC6A46729D75A02674980453
History
DateUserTypeResult
2024-04-13Dylan DelgadoNF-PM1B1=1000000, B2=852153390
2022-10-11daveward2005CERT
Proof certified good
2022-10-11Oliver KruseC-PRPM8440979/16881959/211877500861025055401 : DEAC6A46729D75A0
Proof Certified Good

Proof Power: 8

2022-10-05TJAOIFFactor: 211877500861025055401
2020-06-01arnaudC-PRPM8440979/16881959 : DEAC6A46729D75A0
2018-10-27ATHC-PRPM8440979/16881959 : DEAC6A46729D75A0