Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
100241789Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
18127246767742181817507540012890.62020-09-20 11:09:33
P-1 factors
DateFactorB1B2
2020-09-2018127246767742181817507540018400000
History
DateUserTypeResult
2020-09-20ky0urakuF-PM1
Factor: 1812724676774218181750754001 / (P-1, B1=840000)
2020-07-19penluNF
no factor from 2^75 to 2^76
2020-06-16lobsterfordinnerNF
no factor from 2^74 to 2^75
2020-02-25ixfd64NF
no factor from 2^73 to 2^74
2020-02-10lycornNF
no factor from 2^72 to 2^73
2017-03-06mikrNF
no factor from 2^71 to 2^72
2015-01-25S00030NF
no factor from 2^70 to 2^71
2015-01-22tenethorNF
no factor from 2^69 to 2^70
2013-09-29-Anonymous-NF
no factor from 2^68 to 2^69
2013-09-21processinfoNF
no factor from 2^67 to 2^68
2011-03-11Craig MeyersNF
no factor from 2^66 to 2^67
2011-02-06Craig MeyersNF
no factor from 2^65 to 2^66
2010-08-09carlos56NF
no factor from 2^64 to 2^65
2010-01-031997rj7NF
no factor from 2^63 to 2^64