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
25331177Factored
FactorDigitsBitsDate
1154801059174934766280092476.62021-12-25 01:41:12
ECM
DigitsB1Curves
255000034 / 280
Estimated T-Level: 20.6 ⓘ
TF below 2^63 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2004-09-02Robert Tjia5255413B46D72A4C20304005
Verified (Factored)2011-01-24lexatref5255413B46D72A4C24068269
History
DateUserTypeResult
2021-12-25Anton RepkoF-PP1
Start=2/7, B1=2000000, B2=120000000, Factor: 115480105917493476628009
2021-10-17TheJudgerNF
no factor from 2^74 to 2^75
2021-10-01TheJudgerNF
no factor from 2^73 to 2^74
2021-08-28TheJudgerNF
no factor from 2^72 to 2^73
2021-08-28TheJudgerNF
no factor from 2^71 to 2^72
2021-06-11mikrNF
no factor from 2^70 to 2^71
2017-05-28ramgeisNF
no factor from 2^69 to 2^70
2017-05-28ramgeisNF
no factor from 2^68 to 2^69
2016-01-15VictordeHollanderNF
no factor from 2^67 to 2^68
2011-01-24lexatrefC-LL
5255413B46D72A4C