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
14401Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
119139454167818118868072373.3old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001263 / 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 Kruse9D0C11CB1B5F703B1013
Verified2017-10-12kkmrkkblmbrbk9D0C11CB1B5F703B1761013
Verified2020-04-17Oliver KruseB5240D9FC5FAF80A1511353
Verified2024-07-01kkmrkkblmbrbkB5240D9FC5FAF80A1508553
P-1 factors
DateFactorB1B2
2024-02-0911913945416781811886807100000000000122154521813133808
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M14401/11913945416781811886807 : B5240D9FC5FAF80A
PRP: Verified
PRP without proof (small exponent)
2024-02-09-Anonymous-F-PM1
Factor: 11913945416781811886807 / (P-1, B1=100000000000, B2=122154521813133810)
2023-05-25JacobZNF-PM1
B1=7600000000, B2=30020805351537000
2022-01-24Ethan O'ConnorNF-PM1
B1=1000000000, B2=3088390743498060
2020-04-17Oliver KruseC-PRP
M14401/11913945416781811886807 : B5240D9FC5FAF80A
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M14401/11913945416781811886807 : 9D0C11CB1B5F703B
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14401/11913945416781811886807 : 9D0C11CB1B5F703B
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14401/11913945416781811886807 : 9D0C11CB1B5F703B
PRP without proof (not generated)