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
8415089
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
252452671927.9old
2416495104415613382712167.72023-02-24 13:56:46
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-10-26Oliver KruseFBC14F990F55488C1422692953
Factored
PRP without proof (not generated)
2020-05-23marssystemsFBC14F990F55488C1609884553
Verified
Certified Good
2023-03-01PerigFBC14F990F55488C224746853
History
DateUserTypeResult
2024-05-20Stef42NF-PM1B1=1025000, B2=2213224650
2023-03-01curtiscCERT
Proof certified good
2023-03-01PerigC-PRPM8415089/252452671/241649510441561338271 : FBC14F990F55488C
Proof Certified Good

Proof Power: 8

2023-02-24TJAOIFFactor: 241649510441561338271
2020-05-23marssystemsC-PRPM8415089/252452671 : FBC14F990F55488C
2018-10-26Oliver KruseC-PRPM8415089/252452671 : FBC14F990F55488C