Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
439Composite, with 3 known prime factors. Cofactor is PRP (Probable-Prime).
Factored
FactorDigitsBitsDate
104110607926.6old
1273214916582231546.9old
1225517527330030555432166.7old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2024-09-06George WoltmanPRP_PRP_PRP_PRP_3013
History
DateUserTypeResult
2024-09-06George WoltmanP-PRP
M439/104110607/127321491658223/122551752733003055543 is a probable prime.