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

PrimeNet Exponent Status

Exponent Range:





MnDetails
9678749
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 269
TF target 268
Factored
FactorDigitsBitsDate
3485704664871238.3old
270867018941281216072064.62017-11-07 13:38:52
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2019-10-12trebor741D0D7B3B41782D2721237753
Verified
Certified Good
2020-12-21storm5510741D0D7B3B41782D211280153
History
DateUserTypeResult
2026-01-18Mingye WangNF-PM1B1=1700000, B2=3458233350
2025-12-10Mingye WangNFno factor TF: 68-69
2020-12-21W4S0R1CERT
Proof certified good
2020-12-21storm5510C-PRPM9678749/348570466487/27086701894128121607 : 741D0D7B3B41782D
Proof Certified Good

Proof Power: 8

2019-10-12treborC-PRPM9678749/348570466487/27086701894128121607 : 741D0D7B3B41782D
2017-11-07TJAOIFFactor: 27086701894128121607