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:





MnDetails
13619
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
27239514.7old
7904964158545691549.52008-08-26 19:58:40
494784471529494934632065.42008-08-29 02:24:32
6705309665403106316683212479.12008-08-29 02:24:32
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001572 / 9201
Estimated T-Level: 40.9 ⓘ
TF below 2^131 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
No proof (small exponent)
2017-09-21Oliver KruseB04E3AF4EADF8E9F4013
Verified
No proof (small exponent)
2017-10-02kkmrkkblmbrbkB04E3AF4EADF8E9F4013
Verified
No proof (small exponent)
2017-12-07ATHB04E3AF4EADF8E9F41205713
Verified
No proof (small exponent)
2020-04-17Oliver KruseDD4061666A6BE9624170253
Factored
No proof (small exponent)
2022-05-12Jorge CoveiroDD4061666A6BE9621581153
Verified
No proof (small exponent)
2024-07-01kkmrkkblmbrbkDD4061666A6BE9624178953
History
DateUserTypeResult
2025-02-24masserNF-PP1Start=169/53, B1=430000000, B2=429570000000
2025-02-11masserNF-PP1Start=2/7, B1=430000000, B2=429570000000
2025-01-26masserNF-PP1Start=6/5, B1=430000000, B2=429570000000
2024-07-01kkmrkkblmbrbkC-PRPM13619/27239/49478447152949493463/670530966540310631668321/790496415854569 : DD4061666A6BE962
2024-01-29-anonymous-NF-PM1B1=100000000000, B2=122154521813133810
2023-05-20JacobZNF-PM1B1=8100000000, B2=31521845619113850
2022-05-12Jorge CoveiroC-PRPM13619/27239 : DD4061666A6BE962
2022-03-04Ethan O'ConnorNF-PM1B1=1000000000, B2=249084233347950
2022-02-06ANONYMOUSNF-PM1B1=50000
2020-04-17Oliver KruseC-PRPM13619/27239/790496415854569/49478447152949493463/670530966540310631668321 : DD4061666A6BE962
2017-12-07ATHC-PRPM13619/27239/790496415854569/49478447152949493463/670530966540310631668321 : B04E3AF4EADF8E9F
2017-10-02kkmrkkblmbrbkC-PRPM13619/27239/790496415854569/49478447152949493463/670530966540310631668321 : B04E3AF4EADF8E9F
2017-09-21Oliver KruseC-PRPM13619/27239/790496415854569/49478447152949493463/670530966540310631668321 : B04E3AF4EADF8E9F
2008-08-29-anonymous-F-ECMFactor: 670530966540310631668321
2008-08-29-anonymous-F-ECMFactor: 49478447152949493463
2008-08-26-anonymous-F-PM1Factor: 790496415854569