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

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MnStatusDetails
64644221Factored
FactorDigitsBitsDate
1096441612565610400204396092786.52013-12-21 07:02:28
P-1 factors
DateFactorB1B2
2013-12-2110964416125656104002043960958000011455000
History
DateUserTypeResult
2022-03-30LordJuliusNF
no factor from 2^60 to 2^63
2013-12-21LaurVF-PM1
Factor: 109644161256561040020439609
2013-12-05BdotNF
no factor from 2^73 to 2^74
2013-12-02electron1897NF
no factor from 2^72 to 2^73
2013-10-24tryptamine dreamerNF
no factor from 2^71 to 2^72
2013-06-15Carsten KossendeyNF
no factor from 2^70 to 2^71
2011-10-08america64NF
no factor from 2^69 to 2^70
2009-12-04Tommy BoucherNF
no factor from 2^68 to 2^69
2009-04-27unconnectedNF
no factor from 2^67 to 2^68
2009-04-01unconnectedNF
no factor from 2^66 to 2^67
2009-04-01glennpatNF
no factor from 2^65 to 2^66
2009-03-31glennpatNF
no factor from 2^64 to 2^65
2009-03-30NiklotNF
no factor from 2^63 to 2^64