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

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MnDetails
401
Composite, with 3 known prime factors. Cofactor is PRP (Probable-Prime).
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
8569715653991239.6old
21369589655249202856812270.9old
59453810084894522316988230193195333108.9old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
No proof (small exponent)
2024-09-06George WoltmanPRP_PRP_PRP_PRP_3013
History
DateUserTypeResult
2024-09-06George WoltmanP-PRPM401/856971565399/2136958965524920285681/594538100848945223169882301931953
PRP Cofactor