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

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MnStatusDetails
641Composite, with 5 known prime factors. Cofactor is PRP (Probable-Prime).
Factored
FactorDigitsBitsDate
35897515.1old
49999515.6old
11738350971030.1old
24012588919495266859261514412891.0old
74527630073444060622638692431221317567790318279733485406448658729699969228.8old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2024-09-06George WoltmanPRP_PRP_PRP_PRP_5013
History
DateUserTypeResult
2024-09-06George WoltmanP-PRP
M641/35897/49999/1173835097/2401258891949526685926151441/745276300734440606226386924312213175677903182797334854064486587296999 is a probable prime.