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
8417267
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
468841771911135.4old
1240927265281480374412166.72020-08-26 11:30:37
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-10-24rucio409DFEB282DD62051467839653
Factored
PRP without proof (not generated)
2020-05-24oodaira409DFEB282DD62051720815853
Verified
Certified Good
2020-08-26ATH409DFEB282DD62052425839553
History
DateUserTypeResult
2024-05-20Stef42NF-PM1B1=1025000, B2=2213224650
2020-08-26Chun sung sooCERT
Proof certified good
2020-08-26ATHC-PRPM8417267/46884177191/124092726528148037441 : 409DFEB282DD6205
Proof Certified Good

Proof Power: 8

2020-08-26TJAOIFFactor: 124092726528148037441
2020-05-24oodairaC-PRPM8417267/46884177191 : 409DFEB282DD6205
2018-10-24rucioC-PRPM8417267/46884177191 : 409DFEB282DD6205