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

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Exponent Range:










MnStatusDetails
13711Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
102701281508497414142235784614016134109.72008-05-04 22:49:14
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001375 / 9201
Estimated T-Level: 40.7
TF below 2^130 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Unknown6F670
Verified (Factored)George WoltmanF196FA006AECEF670
Verified (Factored)Brian J. BeesleyF196FA006AECEF670
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse89421A585CA0062E1013
Verified2017-10-12kkmrkkblmbrbk89421A585CA0062E12713
Verified2020-04-17Oliver KruseC59DF53EE897A01E11348153
Verified2024-07-01kkmrkkblmbrbkC59DF53EE897A01E11352153
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M13711/1027012815084974141422357846140161 : C59DF53EE897A01E
PRP: Verified
PRP without proof (small exponent)
2024-01-29-Anonymous-NF-PM1
B1=100000000000, B2=122154521813133810
2023-05-20JacobZNF-PM1
B1=8000000000, B2=35524619698317750
2022-03-04Ethan O'ConnorNF-PM1
B1=1000000000, B2=248016220902450
2020-04-17Oliver KruseC-PRP
M13711/1027012815084974141422357846140161 : C59DF53EE897A01E
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M13711/1027012815084974141422357846140161 : 89421A585CA0062E
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13711/1027012815084974141422357846140161 : 89421A585CA0062E
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13711/1027012815084974141422357846140161 : 89421A585CA0062E
PRP without proof (not generated)