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
10364399
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
1772711051073531547.3old
1114978713555886706092166.62020-05-06 23:22:46
P-1 factors
DateFactorsB1B2
2020-05-06111497871355588670609
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)
2020-05-04riccardo uberti294D60C4D6CE36CC1211870153
Verified
PRP without proof (not generated)
2020-05-07ATH294D60C4D6CE36CC2343479353
History
DateUserTypeResult
2024-12-10James HeinrichNF-PM1B1=843000, B2=1694338800
2021-05-26riccardo ubertiNF-PP1Start=2/7, B1=750000, B2=20000000
2021-05-17riccardo ubertiNF-PP1Start=6/5, B1=750000, B2=20000000
2020-05-07ATHC-PRPM10364399/177271105107353/111497871355588670609 : 294D60C4D6CE36CC
2020-05-06riccardo ubertiF-PM1Factor: 111497871355588670609 / B1=500000
2020-05-04riccardo ubertiC-PRPM10364399/177271105107353 : 294D60C4D6CE36CC