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

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MnStatusDetails
16800271Factored
FactorDigitsBitsDate
15418981083207928307992270.42017-06-10 17:43:41
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)2002-11-16S82605F8B60B65C93A5763520633
Bad2006-04-14David T7E894C72836C8D499467985
Verified (Factored)2007-09-13Shane SanfordF8B60B65C93A576315145979
History
DateUserTypeResult
2024-03-07nordiNF-PM1
B1=500000
2017-06-10ATHF-ECM
Factor: 1541898108320792830799 / (ECM curve 1, B1=50000, B2=5000000)
2014-09-15NesowaNF
no factor from 2^66 to 2^67
2014-03-13NesowaNF
no factor from 2^65 to 2^66