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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
11269847Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
15552388871030.5old
39937721630120617191961.82016-05-31 11:46:44
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-06-26/r/counting39AEB51A39B6DFCD2695377453
History
DateUserTypeResult
2025-06-24vshNF
no factor from 2^71 to 2^72
2025-06-23vshNF-PM1
B1=10000000, B2=20257605060
2025-04-08vshNF
no factor from 2^70 to 2^71
2025-03-15vshNF
no factor from 2^69 to 2^70
2025-02-06vshNF
no factor from 2^68 to 2^69
2024-07-11vshNF-PM1
B1=312500, B2=120237390
2021-06-26curtiscCERT
PRP Certification
Proof certified good
2021-06-26/r/countingC-PRP
M11269847/1555238887/3993772163012061719 : 39AEB51A39B6DFCD
PRP proof power = 8
PRP: Verified
Proof certified good
2016-05-31TJAOIF
Factor: 3993772163012061719 / TF: 61-62