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
10377707
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
83021657826.3old
817140649191136.22008-09-08 06:32:20
5509445564366117072412168.92020-05-15 16:34:21
P-1 factors
DateFactorsB1B2
2020-05-15550944556436611707241
5000000
ECM
DigitsB1Curves
255000032 / 280
Estimated T-Level: 20.6 ⓘ
TF below 2^63 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
PRP without proof (not generated)
2020-05-15riccardo ubertiD935B62D29D558452976502453
Verified
PRP without proof (not generated)
2020-05-16riccardo ubertiD935B62D29D558453747956653
History
DateUserTypeResult
2024-12-10James HeinrichNF-PM1B1=819000, B2=1699192572
2021-05-29riccardo ubertiNF-PP1Start=2/7, B1=750000, B2=20000000
2021-05-19riccardo ubertiNF-PP1Start=6/5, B1=750000, B2=20000000
2020-05-16riccardo ubertiC-PRPM10377707/83021657/81714064919/550944556436611707241 : D935B62D29D55845
2020-05-15riccardo ubertiF-PM1Factor: 550944556436611707241 / B1=500000
2020-05-15riccardo ubertiC-PRPM10377707/83021657/81714064919 : D935B62D29D55845
2008-09-08Will EdgingtonFFactor: 81714064919