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
10361543
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
1112415256491236.7old
147386857016160829509372373.62020-05-05 15:20:36
P-1 factors
DateFactorsB1B2
2020-05-0514738685701616082950937
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)
2020-05-01riccardo uberti54985439816EE6731728022153
Verified
PRP without proof (not generated)
2020-05-06Klaus Nordmann54985439816EE6732923175053
History
DateUserTypeResult
2021-05-26riccardo ubertiNF-PP1Start=2/7, B1=750000, B2=20000000
2021-05-17riccardo ubertiNF-PP1Start=6/5, B1=750000, B2=20000000
2020-05-06Klaus NordmannC-PRPM10361543/111241525649/14738685701616082950937 : 54985439816EE673
2020-05-05riccardo ubertiF-PM1Factor: 14738685701616082950937 / B1=500000, B2=10000000
2020-05-01riccardo ubertiC-PRPM10361543/111241525649 : 54985439816EE673