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:










MnStatusDetails
102301Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
4092041722.0old
133195903927.02008-07-26 09:16:58
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001005 / 1566
Estimated T-Level: 33.2
TF below 2^105 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse344C6EBABA7E3E342013
Verified2017-10-13kkmrkkblmbrbk344C6EBABA7E3E3424314813
Verified2020-04-17Oliver Kruse9B452A2A02E16DDC27742653
Verified2022-04-15LordJulius9B452A2A02E16DDC26272053
History
DateUserTypeResult
2025-04-28yuriy_5-1NF-PM1
B1=4800000000, B2=5418154056465150
2022-04-15LordJuliusC-PRP
M102301/4092041/133195903 : 9B452A2A02E16DDC
PRP: Verified
PRP without proof (small exponent)
2022-04-13LordJuliusNF
no factor from 2^61 to 2^62
2022-04-13LordJuliusNF
no factor from 2^60 to 2^61
2022-04-13LordJuliusNF
no factor from 2^59 to 2^60
2022-04-13LordJuliusNF
no factor from 2^58 to 2^59
2022-04-13LordJuliusNF
no factor from 2^57 to 2^58
2020-04-17Oliver KruseC-PRP
M102301/4092041/133195903 : 9B452A2A02E16DDC
PRP: Verified
PRP without proof (small exponent)
2018-11-05J.R. AllenNF
no factor from 2^59 to 2^60
2018-11-05J.R. AllenNF
no factor from 2^58 to 2^59
2018-11-05J.R. AllenNF
no factor from 2^57 to 2^58
2018-10-25J.R. AllenNF
no factor from 2^52 to 2^57
2017-10-13kkmrkkblmbrbkC-PRP
M102301/4092041/133195903 : 344C6EBABA7E3E34
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M102301/4092041/133195903 : 344C6EBABA7E3E34
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M102301/4092041/133195903 : 344C6EBABA7E3E34
PRP without proof (not generated)
2016-11-08kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2008-07-26J FeitsmaF
Factor: 133195903