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
14177Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
74259127826.1old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001267 / 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 KruseAA44C4F6BAD8C0D61013
Verified2017-10-12kkmrkkblmbrbkAA44C4F6BAD8C0D611017113
Verified2020-04-17Oliver Kruse39FF6866B3A6867311276753
Verified2023-06-11LordJulius39FF6866B3A686731736753
History
DateUserTypeResult
2024-01-29-Anonymous-NF-PM1
B1=100000000000, B2=122154521813133810
2023-06-11LordJuliusC-PRP
M14177/74259127 : 39FF6866B3A68673
PRP: Verified
PRP without proof (small exponent)
2023-05-23JacobZNF-PM1
B1=7700000000, B2=32522539163164050
2022-01-24Ethan O'ConnorNF-PM1
B1=1000000000, B2=3088390743498060
2020-04-17Oliver KruseC-PRP
M14177/74259127 : 39FF6866B3A68673
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M14177/74259127 : AA44C4F6BAD8C0D6
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14177/74259127 : AA44C4F6BAD8C0D6
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14177/74259127 : AA44C4F6BAD8C0D6
PRP without proof (not generated)