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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MnDetails
10522163
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
273576239928.0old
575545691082471445.72008-09-08 06:35:59
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
Certified Good
2020-09-15storm551058EC4980D6A328522553792853
History
DateUserTypeResult
2026-02-03Sid & AndyNF-PM1B1=2400000, B2=1816621950
2020-09-15Ben DeloCERT
Proof certified good
2020-09-15storm5510C-PRPM10522163/273576239/57554569108247 : 58EC4980D6A32852
Proof Certified Good

Proof Power: 8

2008-09-08Will EdgingtonFFactor: 57554569108247