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

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MnStatusDetails
168184823Factored
FactorDigitsBitsDate
927129802852617066368862945075131102.92021-11-15 15:06:22
P-1 factors
DateFactorB1B2
2021-11-159271298028526170663688629450751100000040000000
History
DateUserTypeResult
2021-11-15Tucker KaoF-PM1
Factor: 9271298028526170663688629450751 / (P-1, B1=1000000, B2=40000000)
2021-10-17Tucker KaoNF
no factor from 2^76 to 2^77
2021-08-23Tucker KaoNF
no factor from 2^75 to 2^76
2021-06-30Tucker KaoNF
no factor from 2^74 to 2^75
2021-06-30Tucker KaoNF
no factor from 2^73 to 2^74
2016-09-12Smok_bmv NF
no factor from 2^72 to 2^73
2016-09-06DerekNF
no factor from 2^71 to 2^72
2016-09-06DerekNF
no factor from 2^70 to 2^71
2016-09-06Adam BuranNF
no factor from 2^69 to 2^70
2016-09-04nate.andersNF
no factor from 2^68 to 2^69
2016-03-31XZTNF
no factor from 2^67 to 2^68
2015-06-04kevshawNF
no factor from 2^66 to 2^67
2013-03-24RichardNF
no factor from 2^65 to 2^66
2011-02-16dslNF
no factor from 2^64 to 2^65
2010-07-10RichardNF
no factor from 2^63 to 2^64