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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MnDetails
10352161
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
310564831928.2old
55774975509836177632012272.22020-04-29 13:34:32
P-1 factors
DateFactorsB1B2
2020-04-295577497550983617763201
50000010000000
ECM
DigitsB1Curves
255000031 / 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)
2020-04-26riccardo ubertiF089A9FE04F8C50C1270992053
Verified
PRP without proof (not generated)
2020-04-30riccardo ubertiF089A9FE04F8C50C2124694953
History
DateUserTypeResult
2021-05-26riccardo ubertiNF-PP1Start=2/7, B1=750000, B2=20000000
2021-05-17riccardo ubertiNF-PP1Start=6/5, B1=750000, B2=20000000
2020-04-30riccardo ubertiC-PRPM10352161/310564831/5577497550983617763201 : F089A9FE04F8C50C
2020-04-29riccardo ubertiF-PM1Factor: 5577497550983617763201 / B1=500000, B2=10000000
2020-04-26riccardo ubertiC-PRPM10352161/310564831 : F089A9FE04F8C50C