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
9659297
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 269
TF target 268
Factored
FactorDigitsBitsDate
22674873470346217271961.0old
308622973165948293772064.72018-01-02 12:12:44
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2019-10-08mnd96EDA8B797826AB9B239125753
Verified
Certified Good
2020-12-19storm55106EDA8B797826AB9B2115025253
History
DateUserTypeResult
2026-01-02Mingye WangNF-PM1B1=1700000, B2=3721726470
2025-12-08Mingye WangNFno factor TF: 68-69
2020-12-19curtiscCERT
Proof certified good
2020-12-19storm5510C-PRP
Proof Certified Good

Proof Power: 8

2019-10-08mnd9C-PRP
M9659297/2267487347034621727/30862297316594829377 : 6EDA8B797826AB9B
2018-01-02TJAOIFFactor: 30862297316594829377
1999-05-23-anonymous-FFactor: 2267487347034621727