Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
66740237Factored
FactorDigitsBitsDate
210981844219251530592472374.22021-09-14 10:41:46
LL
StatusDateUserResidueShift
Verified (Factored)2014-04-03curtisc23BE8781FFEF6E6939023424
History
DateUserTypeResult
2021-09-14RobertKazanF
Factor: 21098184421925153059247 / TF: 74-75*
2014-04-03curtiscC-LL
23BE8781FFEF6E69
2013-10-04NesowaNF-PM1
B1=605000, B2=12251250, E=12
2013-09-29Jerry HallettNF
no factor from 2^73 to 2^74
2013-09-21Jerry HallettNF
no factor from 2^72 to 2^73
2013-06-30PhantomasNF
no factor from 2^71 to 2^72
2013-06-30PhantomasNF
no factor from 2^70 to 2^71
2012-02-21TommasoNF
no factor from 2^69 to 2^70
2010-04-27Torchwood InstituteNF
no factor from 2^68 to 2^69
2010-04-25Torchwood InstituteNF
no factor from 2^67 to 2^68
2009-12-08eon_blue_apocalypseNF
no factor from 2^66 to 2^67
2009-12-04Sturle SundeNF
no factor from 2^65 to 2^66
2009-12-03GrunwalderGIMPNF
no factor from 2^64 to 2^65
2009-03-221997rj7NF
no factor to 2^64