Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnDetails
8318231
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
16636463824.0old
465820937928.82008-09-08 04:30:14
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-11Oliver KruseCEDC704F8AC99065248373253
Verified
PRP without proof (not generated)
2020-04-19Luigi MorelliCEDC704F8AC990652321880253
History
DateUserTypeResult
2024-06-10Stef42NF-PM1B1=1375000, B2=2661870120
2020-04-19Luigi MorelliC-PRP
M8318231/16636463/465820937 : CEDC704F8AC99065
2018-10-11Oliver KruseC-PRP
M8318231/16636463/465820937 : CEDC704F8AC99065
2008-09-08Will EdgingtonFFactor: 465820937