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

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MnStatusDetails
81007037Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
22773417523224827027643112580.92017-04-16 21:46:46
P-1 factors
DateFactorB1B2
2017-04-16227734175232248270276431169000013972500
History
DateUserTypeResult
2017-04-16Sergey NosovF-PM1
Factor: 2277341752322482702764311 / (P-1, B1=690000, B2=13972500, E=12)
2016-09-23-Anonymous-NF
no factor from 2^74 to 2^75
2016-09-23-Anonymous-NF
no factor from 2^73 to 2^74
2016-09-23-Anonymous-NF
no factor from 2^72 to 2^73
2016-09-23-Anonymous-NF
no factor from 2^71 to 2^72
2013-06-06PascalBieriNF
no factor from 2^70 to 2^71
2013-02-07ITSNF
no factor from 2^69 to 2^70
2013-02-03ITSNF
no factor from 2^68 to 2^69
2013-01-31-Anonymous-NF
no factor from 2^67 to 2^68
2013-01-25neuralnetNF
no factor from 2^66 to 2^67
2011-02-05UngelovendeNF
no factor from 2^65 to 2^66
2010-12-11Architects CubedNF
no factor from 2^64 to 2^65