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

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MnStatusDetails
19145669Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4100293757768986577442312478.42024-09-25 08:02:09
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)2003-06-06preppypoofB84AB40A6DA7A8062290311
Verified (Factored)2007-07-24K CB84AB40A6DA7A8068460318
P-1 factors
DateFactorB1B2
2024-09-254100293757768986577442311000000592343070
History
DateUserTypeResult
2024-09-25Sid & AndyF-PM1
Factor: 410029375776898657744231 / (P-1, B1=1000000, B2=592343070)
2021-10-31-Anonymous-NF
no factor from 2^72 to 2^73
2021-10-01-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-13SRBaseNF
no factor from 2^70 to 2^71
2020-01-02lycornNF
no factor from 2^69 to 2^70
2017-11-26ramgeisNF
no factor from 2^68 to 2^69
2014-07-06NesowaNF
no factor from 2^67 to 2^68
2014-07-06NesowaNF
no factor from 2^66 to 2^67