Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:





MnDetails
10364831
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
391376018571135.2old
531826278751591155206572375.52020-05-07 06:41:51
P-1 factors
DateFactorsB1B2
2020-05-0753182627875159115520657
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)
2020-05-05riccardo uberti70B945FA5F1C6ED01435634153
Verified
PRP without proof (not generated)
2020-05-11Sébastien BROUCKE70B945FA5F1C6ED02633884253
History
DateUserTypeResult
2024-12-10James HeinrichNF-PM1B1=843000, B2=1694338800
2021-05-26riccardo ubertiNF-PP1Start=2/7, B1=750000, B2=20000000
2021-05-18riccardo ubertiNF-PP1Start=6/5, B1=750000, B2=20000000
2020-05-11Sébastien BROUCKEC-PRPM10364831/39137601857/53182627875159115520657 : 70B945FA5F1C6ED0
2020-05-07riccardo ubertiF-PM1Factor: 53182627875159115520657 / B1=500000
2020-05-05riccardo ubertiC-PRPM10364831/39137601857 : 70B945FA5F1C6ED0