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

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MnStatusDetails
104550161Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
81371653071181973424463408012892.72020-10-29 02:36:03
P-1 factors
DateFactorB1B2
2020-10-2981371653071181973424463408017690000
History
DateUserTypeResult
2020-10-29GANF-PM1
Factor: 8137165307118197342446340801 / (P-1, B1=769000)
2020-10-13ktonyNF
no factor from 2^75 to 2^76
2020-10-13ktonyNF
no factor from 2^74 to 2^75
2020-03-31SRBaseNF
no factor from 2^73 to 2^74
2019-12-02Ryan PropperNF
no factor from 2^72 to 2^73
2014-12-25shaugeNF
no factor from 2^71 to 2^72
2014-05-01Andreas_TruetschNF
no factor from 2^70 to 2^71
2014-04-27Andreas_TruetschNF
no factor from 2^69 to 2^70
2013-09-16g0bNF
no factor from 2^68 to 2^69
2013-09-12g0bNF
no factor from 2^67 to 2^68
2013-09-06-Anonymous-NF
no factor from 2^66 to 2^67
2012-05-06Mr-PlonkNF
no factor from 2^65 to 2^66
2010-08-28sasaki3NF
no factor from 2^64 to 2^65
2010-04-18James HintzNF
no factor from 2^63 to 2^64