Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
13649Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
63043612527674078871962.5old
135015339283074150738324111674693267937120.02023-06-08 19:09:21
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001271 / 9201
Estimated T-Level: 40.7
TF below 2^130 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-21Oliver Kruse5862B30E0CAFDB0E1013
Verified (Factored)2017-10-12kkmrkkblmbrbk5862B30E0CAFDB0E1155213
Verified (Factored)2020-04-17Oliver Kruse45FE700CA2457D421258053
Verified2023-06-08Denial14045FE700CA2457D42262353
Verified2023-06-08Denial14045FE700CA2457D422173053
History
DateUserTypeResult
2024-01-29-Anonymous-NF-PM1
B1=100000000000, B2=122154521813133810
2023-06-08Denial140C-PRP
M13649/6304361252767407887/1350153392830741507383241116746932679 : 45FE700CA2457D42
PRP: Verified
PRP without proof (small exponent)
2023-06-08Denial140C-PRP
M13649/6304361252767407887/1350153392830741507383241116746932679 : 45FE700CA2457D42
PRP: Verified
PRP without proof (small exponent)
2023-06-08Denial140F-ECM
Factor: 1350153392830741507383241116746932679 / (ECM curve 40, B1=3000000, B2=22972799850, Sigma=2314937256544810)
2023-05-20JacobZNF-PM1
B1=8000000000, B2=35524619698317750
2022-03-04Ethan O'ConnorNF-PM1
B1=1000000000, B2=248016220902450
2021-12-14Lisander ViaeneNF-PM1
B1=101101101, B2=19711193892390
2021-12-14Lisander ViaeneNF-PM1
B1=1000000, B2=543067234710
2020-04-17Oliver KruseC-PRP
M13649/6304361252767407887 : 45FE700CA2457D42
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M13649/6304361252767407887 : 5862B30E0CAFDB0E
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13649/6304361252767407887 : 5862B30E0CAFDB0E
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13649/6304361252767407887 : 5862B30E0CAFDB0E
PRP without proof (not generated)