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

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Exponent Range:










MnStatusDetails
13591Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
4954533592408242359050614886977680880138125.22009-03-05 15:09:14
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001332 / 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)Unknown1B7B0
Verified (Factored)George Woltman57217D0A08A51B7B0
Verified (Factored)Brian J. Beesley57217D0A08A51B7B0
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse127698BF5592D5A71013
Verified2017-10-12kkmrkkblmbrbk127698BF5592D5A71159913
Verified2020-04-17Oliver KruseFDCEB60F603F1B2A1100553
Verified2024-07-01kkmrkkblmbrbkFDCEB60F603F1B2A1109253
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M13591/49545335924082423590506148869776808801 : FDCEB60F603F1B2A
PRP: Verified
PRP without proof (small exponent)
2024-01-29-Anonymous-NF-PM1
B1=100000000000, B2=122154521813133810
2023-05-20JacobZNF-PM1
B1=8100000000, B2=31521845619113850
2020-04-17Oliver KruseC-PRP
M13591/49545335924082423590506148869776808801 : FDCEB60F603F1B2A
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M13591/49545335924082423590506148869776808801 : 127698BF5592D5A7
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13591/49545335924082423590506148869776808801 : 127698BF5592D5A7
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13591/49545335924082423590506148869776808801 : 127698BF5592D5A7
PRP without proof (not generated)
2009-03-05-Anonymous-F-ECM
Factor: 49545335924082423590506148869776808801