Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
9661523
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 269
TF target 268
Factored
FactorDigitsBitsDate
19323047824.2old
2390079346798071547.82014-03-14 11:29:03
6452371005099895031859.22015-10-30 12:09:03
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2019-10-09mnd960583FC087D4EEED3796774953
Verified
Certified Good
2020-12-19storm551060583FC087D4EEED3292237453
History
DateUserTypeResult
2026-01-04Mingye WangNF-PM1B1=1700000, B2=3721726470
2025-12-08Mingye WangNFno factor TF: 68-69
2020-12-19Ben DeloCERT
Proof certified good
2020-12-19storm5510C-PRP
Proof Certified Good

Proof Power: 8

2019-10-09mnd9C-PRP
M9661523/19323047/239007934679807/645237100509989503 : 60583FC087D4EEED
2015-10-30TJAOIFFactor: 645237100509989503
2014-03-14TJAOIFFactor: 239007934679807