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

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MnStatusDetails
3501089Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
11973724391030.2old
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-11-07Oliver Kruse2E6AB89B65BE6E2B1202787753
Verified2017-12-17kkmrkkblmbrbk2E6AB89B65BE6E2B188472553
History
DateUserTypeResult
2022-04-12JossNF-PM1
B1=1000000, B2=126668850
2022-01-13JossNF
no factor from 2^67 to 2^68
2021-03-25ViliamFNF-PM1
B1=3000000, B2=279000000
2017-12-17kkmrkkblmbrbkC-PRP
M3501089/1197372439 : 2E6AB89B65BE6E2B
PRP: Verified
PRP without proof (not generated)
2017-11-07Oliver KruseC-PRP
M3501089/1197372439 : 2E6AB89B65BE6E2B
PRP: Verified
PRP without proof (not generated)