Marin Mersenne 2^P-1
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MnDetails
1531
Composite, with 2 known prime factors. Cofactor is PRP (Probable-Prime).
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
88799516.4old
146618217425531443.7old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
No proof (small exponent)
2017-11-16kkmrkkblmbrbkPRP_PRP_PRP_PRP_258413
History
DateUserTypeResult
2017-11-16kkmrkkblmbrbkP-PRPM1531/88799/14661821742553
PRP Cofactor
2009-03-05-anonymous-FFactor: 14661821742553