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
17115389Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
31054332782624571111961.4old
1054775339136609359772166.52020-05-05 08:25:05
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-09-09Luke Durant849CA7FF58D2A86121182426153
History
DateUserTypeResult
2024-09-09Luke DurantCERT
PRP Certification
Proof certified good
2024-09-09Luke DurantC-PRP
M17115389/3105433278262457111/105477533913660935977 : 849CA7FF58D2A861
PRP proof power = 8
PRP: Verified
Proof certified good
2023-08-11alpertronNF-PM1
B1=500000, B2=156770460
2022-03-28LordJuliusNF
no factor from 2^65 to 2^66
2020-05-05TJAOIF
Factor: 105477533913660935977 / TF: 66-67