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
14549Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
653075513929.3old
599788988048438711755.72008-08-26 19:58:43
49702498228495687429515663292892.02013-07-25 18:49:33
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 Kruse561BB4CEC277EE623013
Verified2017-10-02kkmrkkblmbrbk561BB4CEC277EE623013
Verified2017-12-07ATH561BB4CEC277EE62376313
Verified2020-04-17Oliver KruseDBDD20053B44492F3900053
Verified2024-07-01kkmrkkblmbrbkDBDD20053B44492F3642053
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M14549/4970249822849568742951566329/59978898804843871/653075513 : DBDD20053B44492F
PRP: Verified
PRP without proof (small exponent)
2023-11-30-Anonymous-NF-PM1
B1=100000000000, B2=122815096988293710
2023-05-25JacobZNF-PM1
B1=7500000000, B2=29520458628010350
2021-08-01ViliamFNF-PM1
B1=250000000, B2=42750000000
2020-04-17Oliver KruseC-PRP
M14549/653075513/59978898804843871/4970249822849568742951566329 : DBDD20053B44492F
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M14549/653075513/59978898804843871/4970249822849568742951566329 : 561BB4CEC277EE62
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M14549/653075513/59978898804843871/4970249822849568742951566329 : 561BB4CEC277EE62
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14549/653075513/59978898804843871/4970249822849568742951566329 : 561BB4CEC277EE62
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14549/653075513/59978898804843871/4970249822849568742951566329 : 561BB4CEC277EE62
PRP without proof (not generated)
2013-07-25BloodIceF-ECM
Factor: 4970249822849568742951566329
2008-08-26-Anonymous-F-ECM
Factor: 59978898804843871