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
14551Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
145511617.2old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001265 / 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 KruseD4BA044C87D691DF1013
Verified2017-10-12kkmrkkblmbrbkD4BA044C87D691DF1863413
Verified2020-04-17Oliver KruseA9D9A3DF45A1BCF21625853
Verified2024-07-01kkmrkkblmbrbkA9D9A3DF45A1BCF21230553
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M14551/145511 : A9D9A3DF45A1BCF2
PRP: Verified
PRP without proof (small exponent)
2024-02-09-Anonymous-NF-PM1
B1=100000000000, B2=122154521813133810
2023-05-25JacobZNF-PM1
B1=7500000000, B2=29520458628010350
2021-08-01ViliamFNF-PM1
B1=250000000, B2=42750000000
2020-04-17Oliver KruseC-PRP
M14551/145511 : A9D9A3DF45A1BCF2
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M14551/145511 : D4BA044C87D691DF
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14551/145511 : D4BA044C87D691DF
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14551/145511 : D4BA044C87D691DF
PRP without proof (not generated)