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

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MnStatusDetails
104843351Factored
FactorDigitsBitsDate
39700821464015974989765112581.72021-07-10 15:14:44
P-1 factors
DateFactorB1B2
2021-07-103970082146401597498976511867000867000
History
DateUserTypeResult
2021-07-10ky0urakuF-PM1
Factor: 3970082146401597498976511 / (P-1, B1=867000)
2021-03-28TheJudgerNF
no factor from 2^75 to 2^76
2021-03-28TheJudgerNF
no factor from 2^74 to 2^75
2020-04-03SRBaseNF
no factor from 2^73 to 2^74
2020-02-21el groccoNF
no factor from 2^72 to 2^73
2014-06-24Quantum SingularityNF
no factor from 2^71 to 2^72
2014-06-24Quantum SingularityNF
no factor from 2^70 to 2^71
2014-06-11Quantum SingularityNF
no factor from 2^69 to 2^70
2014-06-08SMoffatNF
no factor from 2^68 to 2^69
2014-05-12SMoffatNF
no factor from 2^67 to 2^68
2013-09-09willmoreNF
no factor from 2^66 to 2^67
2012-05-12RichardNF
no factor from 2^65 to 2^66
2010-08-29carlos56NF
no factor from 2^64 to 2^65
2010-04-19kiwiboyNF
no factor from 2^63 to 2^64