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
13441Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
8346249758555789511859.5old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001374 / 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
Verified2017-09-21Oliver Kruse40838DDBDB310D371013
Verified2017-10-12kkmrkkblmbrbk40838DDBDB310D3711157713
Verified2020-04-17Oliver Kruse7D647B044A13AFCC127753
Verified2024-07-01kkmrkkblmbrbk7D647B044A13AFCC1284753
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M13441/834624975855578951 : 7D647B044A13AFCC
PRP: Verified
PRP without proof (small exponent)
2023-12-19-Anonymous-NF-PM1
B1=100000000000, B2=122154521813133810
2023-05-19JacobZNF-PM1
B1=8200000000, B2=35024272926292650
2022-02-05JossNF-PM1
B1=1000000, B2=2389799412000
2020-04-17Oliver KruseC-PRP
M13441/834624975855578951 : 7D647B044A13AFCC
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M13441/834624975855578951 : 40838DDBDB310D37
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13441/834624975855578951 : 40838DDBDB310D37
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13441/834624975855578951 : 40838DDBDB310D37
PRP without proof (not generated)