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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MnStatusDetails
18022883Factored
FactorDigitsBitsDate
116194155397068725824972373.32022-01-13 04:29:30
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)2003-06-30Chris Beckenbach0CF8BB7FEC77737012125655
Verified (Factored)2007-03-20Stephen Sellars0CF8BB7FEC77737015532774
History
DateUserTypeResult
2022-01-13Smok_bmv F
Factor: 11619415539706872582497 / TF: 73-74*
2021-12-10RichD0NF
no factor from 2^72 to 2^73
2021-10-08-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-11SRBaseNF
no factor from 2^70 to 2^71
2020-03-05lycornNF
no factor from 2^69 to 2^70
2017-09-07ramgeisNF
no factor from 2^68 to 2^69
2016-03-21Mark RoseNF
no factor from 2^66 to 2^67
2015-11-23mikrNF
no factor from 2^67 to 2^68