Marin Mersenne 2^P-1
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MnStatusDetails
12569Composite, with 2 known prime factors. Cofactor is PRP (Probable-Prime).
Factored
FactorDigitsBitsDate
3160248865063271548.2old
56987354142502393180176437881680550191607942138.72017-04-05 07:20:38
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-11-09kkmrkkblmbrbkPRP_PRP_PRP_PRP_2756613
History
DateUserTypeResult
2017-11-09kkmrkkblmbrbkP-PRP
M12569/316024886506327/569873541425023931801764378816805501916079 is a probable prime.
2017-04-05kkmrkkblmbrbkF-ECM
Factor: 569873541425023931801764378816805501916079 / (ECM curve 1027, B1=1000000, B2=100000000)