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

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Exponent Range:










MnStatusDetails
30011593Factored
FactorDigitsBitsDate
44656700917447276216846332581.92021-10-09 00:00:49
ECM
DigitsB1Curves
25500006 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2005-11-01Eric Bravick1DAAC6DF6C70A08B24933853
Verified (Factored)2013-08-28monst1DAAC6DF6C70A08B4006325
History
DateUserTypeResult
2021-10-09ATHF-PP1
Start=2/7, B1=500000, B2=12500000, Factor: 4465670091744727621684633
2020-03-13-Anonymous-NF
no factor from 2^73 to 2^74
2020-03-13-Anonymous-NF
no factor from 2^72 to 2^73
2020-03-13-Anonymous-NF
no factor from 2^71 to 2^72
2016-09-02Bruno VictalNF
no factor from 2^70 to 2^71
2013-08-28monstC-LL
1DAAC6DF6C70A08B
2012-03-05bcp19NF
no factor from 2^69 to 2^70
2012-03-01hustensaftNF
no factor from 2^68 to 2^69