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

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MnStatusDetails
105180811Factored
FactorDigitsBitsDate
56149177206249275821712892582.22021-07-22 04:58:33
P-1 factors
DateFactorB1B2
2021-07-22561491772062492758217128990500017873750
History
DateUserTypeResult
2021-07-22Smok_bmv F-PM1
Factor: 5614917720624927582171289 / (P-1, B1=905000, B2=17873750)
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
2020-03-25EratosthenesNF
no factor from 2^72 to 2^73
2019-01-31Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2015-01-31Igor_V_SharovNF
no factor from 2^70 to 2^71
2015-01-23andrevergamitoNF
no factor from 2^69 to 2^70
2015-01-15Brandon VincentNF
no factor from 2^68 to 2^69
2015-01-14SMoffatNF
no factor from 2^67 to 2^68
2013-09-09willmoreNF
no factor from 2^66 to 2^67
2012-05-10Joe BauerNF
no factor from 2^65 to 2^66
2010-08-30michmichmichNF
no factor from 2^64 to 2^65
2010-04-20Torchwood InstituteNF
no factor from 2^63 to 2^64