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

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MnStatusDetails
18793597Factored
FactorDigitsBitsDate
2910472631479932940597153032787.92019-04-20 15:36:07
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^61 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2003-12-13David TriggersonEF4FF8305B7953674642411
Bad2008-04-25Andrew PhillipsB316E44AE58A795B11360853
Verified (Factored)2008-12-22Robert SeemannEF4FF8305B7953675761071
History
DateUserTypeResult
2019-04-20Sergey NosovF-ECM
Factor: 291047263147993294059715303 / (ECM curve 1, B1=50000, B2=5000000)
2018-02-02ramgeisNF
no factor from 2^68 to 2^69
2018-02-02ramgeisNF
no factor from 2^67 to 2^68
2014-08-05NesowaNF
no factor from 2^66 to 2^67
2008-12-22Robert SeemannC-LL
EF4FF8305B795367