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

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MnStatusDetails
113728117Factored
FactorDigitsBitsDate
17814189893150277832331592580.62022-01-08 14:10:51
P-1 factors
DateFactorB1B2
2022-01-08178141898931502778323315940000004000000
History
DateUserTypeResult
2022-01-08Ernst W. MayerF-PM1
Factor: 1781418989315027783233159 / (P-1, B1=4000000)
2021-03-31arpcarNF
no factor from 2^78 to 2^79
2021-03-18arpcarNF
no factor from 2^77 to 2^78
2021-03-18arpcarNF
no factor from 2^76 to 2^77
2021-03-18arpcarNF
no factor from 2^75 to 2^76
2021-03-18arpcarNF
no factor from 2^74 to 2^75
2020-09-12Daniil TsarkovNF
no factor from 2^73 to 2^74
2020-04-22SRBaseNF
no factor from 2^72 to 2^73
2018-12-25Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2015-03-16ANONYMOUSNF
no factor from 2^70 to 2^71
2015-03-11NickNF
no factor from 2^69 to 2^70
2015-03-03Per JessenNF
no factor from 2^68 to 2^69
2015-02-23g0bNF
no factor from 2^67 to 2^68
2014-11-14j-luNF
no factor from 2^66 to 2^67
2012-06-08Torchwood InstituteNF
no factor from 2^65 to 2^66
2010-10-03ANONYMOUSNF
no factor from 2^64 to 2^65
2010-06-271997rj7NF
no factor from 2^63 to 2^64