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

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MnStatusDetails
100150241Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
819930864147807170234208746172996.02020-09-22 03:27:30
P-1 factors
DateFactorB1B2
2020-09-2281993086414780717023420874617722000722000
History
DateUserTypeResult
2020-09-22Runtime ErrorF-PM1
Factor: 81993086414780717023420874617 / (P-1, B1=722000)
2020-07-07penluNF
no factor from 2^75 to 2^76
2020-04-14James HeinrichNF
no factor from 2^74 to 2^75
2020-03-22CADukeNF
no factor from 2^73 to 2^74
2020-02-09bayanneNF
no factor from 2^72 to 2^73
2017-02-16mikrNF
no factor from 2^71 to 2^72
2011-04-18Craig MeyersNF
no factor from 2^70 to 2^71
2011-04-18Craig MeyersNF
no factor from 2^69 to 2^70
2011-04-05Craig MeyersNF
no factor from 2^68 to 2^69
2011-04-05Craig MeyersNF
no factor from 2^67 to 2^68
2011-02-26Craig MeyersNF
no factor from 2^66 to 2^67
2011-02-03Craig MeyersNF
no factor from 2^65 to 2^66
2010-08-09garoNF
no factor from 2^64 to 2^65