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
11658929Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
169604974216998920191612373.82024-07-01 19:50:26
ECM
DigitsB1Curves
255000048 / 280
Estimated T-Level: 20.9 ⓘ
TF below 2^64 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2001-07-29C. Cooper / S. Boone4F0EF633A4110CD510051659
Verified (Factored)2004-05-15omar Trochez4F0EF633A4110CD51078188
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-07-03yuriy_5-14BFA4418A28EBD2E1276524253
History
DateUserTypeResult
2024-07-22yuriy_5-1NF-PM1
B1=14037352, B2=125644559040
2024-07-04hoonhoutCERT
PRP Certification
Proof certified good
2024-07-03yuriy_5-1C-PRP
M11658929/16960497421699892019161 : 4BFA4418A28EBD2E
PRP proof power = 8
PRP: Verified
Proof certified good
2024-07-01yuriy_5-1F-ECM
Factor: 16960497421699892019161 / (ECM curve 6, B1=250000, B2=129722670, Edwards Sigma=7143909064874913)
2022-11-20riccardo ubertiNF
no factor from 2^71 to 2^72
2021-08-19LaurVNF-PM1
B1=6189107, B2=185673210
2021-08-15SRBaseNF
no factor from 2^70 to 2^71
2021-08-06SRBaseNF
no factor from 2^69 to 2^70
2018-01-14ramgeisNF
no factor from 2^68 to 2^69
2018-01-14ramgeisNF
no factor from 2^67 to 2^68
2016-01-30VictordeHollanderNF
no factor from 2^66 to 2^67
2014-12-20NesowaNF
no factor from 2^65 to 2^66
2014-05-24HBendtzNF-PM1
B1=1200000, B2=24000000, E=12
2013-11-03lycornNF
no factor from 2^64 to 2^65