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
17196733Factored
FactorDigitsBitsDate
1937637940616029684660926846904801011138123.92022-09-03 22:35:53
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)2003-01-09David BrantleyE77893741F68057C3258377
Verified (Factored)2006-08-25Phil NelsonE77893741F68057C1987340
P-1 factors
DateFactorB1B2
2022-09-03193763794061602968466092684690480101111000000502981050
History
DateUserTypeResult
2022-09-03alpertronF-PM1
Factor: 19376379406160296846609268469048010111 / (P-1, B1=1000000, B2=502981050)
2022-01-11TheJudgerNF
no factor from 2^73 to 2^74
2022-01-11-Anonymous-NF
no factor from 2^73 to 2^74
2021-11-30-Anonymous-NF
no factor from 2^72 to 2^73
2021-09-19-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-09SRBaseNF
no factor from 2^70 to 2^71
2020-03-21lycornNF
no factor from 2^69 to 2^70
2017-12-17ramgeisNF
no factor from 2^68 to 2^69
2017-12-17ramgeisNF
no factor from 2^67 to 2^68
2014-09-09NesowaNF
no factor from 2^66 to 2^67
2013-09-24David CampeauNF
no factor from 2^65 to 2^66