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

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MnStatusDetails
11Composite, with 1 known prime factor. Cofactor is PRP (Probable-Prime).
Factored
FactorDigitsBitsDate
2324.5old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2018-01-24_p95holder_PRP_PRP_PRP_PRP_1013
History
DateUserTypeResult
2023-07-09DobriNF-PM1
B1=1000000
2018-01-24_p95holder_P-PRP
M11/23 is a probable prime.
2008-11-07hanNF-PM1
B1=1000000, B2=100000000, E=12