Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnDetails
14449
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
3423592007831238.3old
128899655205368471753.52008-08-29 02:24:34
3358292942647655035319399823949004935114.72022-02-18 16:58:14
P-1 factors
DateFactorsB1B2
2023-11-30No new factors discovered100000000000122815096988293712
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001427 / 9201
Estimated T-Level: 40.8 ⓘ
TF below 2^130 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
No proof (small exponent)
2017-09-21Oliver Kruse30FB9A8C292C74652013
Factored
No proof (small exponent)
2017-10-12kkmrkkblmbrbk30FB9A8C292C746521429713
Factored
No proof (small exponent)
2020-04-17Oliver Kruse8767D7B78BAB248E21355853
Verified
No proof (small exponent)
2022-02-19zr_zircon8767D7B78BAB248E31191653
History
DateUserTypeResult
2025-02-11masserNF-PP1Start=100/23, B1=355000000, B2=354645000000
2025-02-07masserNF-PP1Start=2/7, B1=355000000, B2=354645000000
2025-01-17masserNF-PP1Start=6/5, B1=355000000, B2=354645000000
2023-11-30-anonymous-F-PM1Factor: 33582929426476550353193998239490049 / B1=100000000000, B2=122815096988293710
2022-02-19zr_zirconC-PRPM14449/342359200783/12889965520536847/33582929426476550353193998239490049 : 8767D7B78BAB248E
2022-02-18Ethan O'ConnorF-PM1Factor: 33582929426476550353193998239490049 / B1=2000000000, B2=31239752047063560
2022-01-24Ethan O'ConnorNF-PM1B1=2000000000, B2=2140598220
2020-04-17Oliver KruseC-PRPM14449/342359200783/12889965520536847 : 8767D7B78BAB248E
2017-10-12kkmrkkblmbrbkC-PRPM14449/342359200783/12889965520536847 : 30FB9A8C292C7465
2017-09-21Oliver KruseC-PRPM14449/342359200783/12889965520536847 : 30FB9A8C292C7465
2017-09-21Oliver KruseC-PRPM14449/342359200783/12889965520536847 : 30FB9A8C292C7465
2008-08-29-anonymous-FFactor: 12889965520536847