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
12653
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
24213539991031.2old
343005368871135.02008-08-26 19:58:37
133174043538307911753.62008-08-26 19:58:38
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001463 / 9201
Estimated T-Level: 40.8 ⓘ
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 Kruse960587C11EF527273013
Verified
No proof (small exponent)
2017-10-02kkmrkkblmbrbk960587C11EF527273013
Verified
No proof (small exponent)
2017-12-07ATH960587C11EF5272731171913
Verified
No proof (small exponent)
2020-04-17Oliver Kruse0ACA3B8E76D918273406253
Verified
No proof (small exponent)
2024-07-01kkmrkkblmbrbk0ACA3B8E76D918273852353
History
DateUserTypeResult
2025-03-11masserNF-PP1Start=185/53, B1=430000000, B2=429570000000
2025-02-21masserNF-PP1Start=6/5, B1=430000000, B2=429570000000
2025-01-18masserNF-PP1Start=2/7, B1=430000000, B2=429570000000
2024-07-01kkmrkkblmbrbkC-PRPM12653/13317404353830791/2421353999/34300536887 : 0ACA3B8E76D91827
2023-05-13Anton RepkoNF-PM1B1=100000000000, B2=120417199046794650
2022-02-05JossNF-PM1B1=1000000, B2=3910366209750
2020-04-17Oliver KruseC-PRPM12653/2421353999/34300536887/13317404353830791 : 0ACA3B8E76D91827
2017-12-07ATHC-PRPM12653/2421353999/34300536887/13317404353830791 : 960587C11EF52727
2017-10-02kkmrkkblmbrbkC-PRPM12653/2421353999/34300536887/13317404353830791 : 960587C11EF52727
2017-09-21Oliver KruseC-PRPM12653/2421353999/34300536887/13317404353830791 : 960587C11EF52727
2008-08-26-anonymous-F-PM1Factor: 13317404353830791
2008-08-26-anonymous-FFactor: 34300536887