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

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MnStatusDetails
Fermat F19Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
705251246091136.01962-11-16
6467302195211239.21963
3759005551413375428652444608049971335114.92009-07-18
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000011453 / 16550
Estimated T-Level: 48.5
TF below 2^156 is very unlikely to find new factors due to ECM effort.
45 near-duplicate ECM records are not shown in History (below).
Near-duplicate in this case is when something like "1 curve completed" is reported multiple times by the same user on the same day.
Please try to do 10s or 100s of curves at once instead of reporting them one-by-one.
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-11-13lord199factor ECM small0.00 % 2024-11-14
2024-11-12Teruaki-M1980factor ECM smallC1S131.36 % 2024-11-14
2024-11-10lord199factor ECM smallC2S174.14 % 2024-11-14
2024-11-02Massimo Cappelli (ik5pwa)factor ECM smallC1S243.49 % 2024-11-14
2024-10-31-Anonymous-factor ECM smallC1S113.50 % 2024-11-14
2024-10-28Massimo Cappelli (ik5pwa)factor ECM smallC2S198.47 % 2024-11-14
2024-10-23AdolfNorfactor ECM smallC5S139.63 % 2024-11-14
2024-10-14Bucklefactor ECM smallC2S24.02 % 2024-11-01
2024-10-08Bucklefactor ECM smallC1S111.69 % 2024-11-15
2024-09-05David-Sergeevich-Kavunetsfactor ECM smallC3S139.12 % 2024-11-13
2024-08-31Peter_Crea_14factor ECM smallC1S144.27 % 2024-11-14
2024-08-07AdolfNorfactor ECM smallC5S115.40 % 2024-11-14
2024-05-05-Anonymous-factor ECM small0.00 % 2024-11-13
2024-05-05-Anonymous-factor ECM small0.00 % 2024-11-13
2024-05-05-Anonymous-factor ECM small0.00 % 2024-11-13
2024-05-05-Anonymous-factor ECM small0.00 % 2024-11-13
History
DateUserTypeResult
2021-05-01ATHNF-PP1
Start=6/5, B1=100000000, B2=10000000000
2021-04-23ATHNF-PP1
Start=2/7, B1=20000000, B2=2000000000
2009-07-15BuckleF-ECM
Factor: 37590055514133754286524446080499713
2008-11-29gdfF-ECM
Factor: 70525124609
2008-11-19arnaudF-ECM
Factor: 45610729320124449292289
2008-11-18Chang Chia-TcheF-ECM
Factor: 646730219521
2008-11-17Klaus MersenneF-ECM
Factor: 70525124609
2008-11-15Klaus MersenneF-ECM
Factor: 45610729320124449292289
2008-11-15Klaus MersenneF-ECM
Factor: 70525124609
2008-11-07David CampeauF-ECM
Factor: 70525124609
2008-11-06David CampeauF-ECM
Factor: 70525124609
2008-11-05firehawkF-ECM
Factor: 646730219521
2008-11-03firehawkF-ECM
Factor: 70525124609
2008-11-01andyhardtF-ECM
Factor: 70525124609
2008-11-01GunnarLuF-ECM
Factor: 646730219521
2008-10-28GunnarLuF-ECM
Factor: 45610729320124449292289
2008-10-26GunnarLuF-ECM
Factor: 646730219521
2008-10-26arnaudF-ECM
Factor: 70525124609
2008-10-25GunnarLuF-ECM
Factor: 70525124609
2008-10-25arnaudF-ECM
Factor: 70525124609
2008-10-24arnaudF-ECM
Factor: 646730219521
2008-10-23GunnarLuF-ECM
Factor: 45610729320124449292289
2008-10-23arnaudF-ECM
Factor: 646730219521
2008-10-23arnaudF-ECM
Factor: 45610729320124449292289
2008-10-22GunnarLuF-ECM
Factor: 646730219521
2008-10-21arnaudF-ECM
Factor: 70525124609
2008-10-20arnaudF-ECM
Factor: 70525124609
2008-10-20arnaudF-ECM
Factor: 646730219521
2008-10-19arnaudF-ECM
Factor: 646730219521
2008-10-19arnaudF-ECM
Factor: 70525124609
2008-10-19arnaudF-ECM
Factor: 45610729320124449292289
2008-10-19GunnarLuF-ECM
Factor: 45610729320124449292289
2008-10-18GunnarLuF-ECM
Factor: 70525124609
2008-10-18arnaudF-ECM
Factor: 70525124609
2008-10-18arnaudF-ECM
Factor: 45610729320124449292289
2008-10-17arnaudF-ECM
Factor: 45610729320124449292289
2008-10-17arnaudF-ECM
Factor: 70525124609
2008-10-16arnaudF-ECM
Factor: 70525124609
2008-10-15arnaudF-ECM
Factor: 70525124609
2008-10-14arnaudF-ECM
Factor: 45610729320124449292289
2008-10-13GunnarLuF-ECM
Factor: 45610729320124449292289
2008-10-13arnaudF-ECM
Factor: 45610729320124449292289
2008-10-13arnaudF-ECM
Factor: 70525124609
2008-10-13GunnarLuF-ECM
Factor: 70525124609
2008-10-12GunnarLuF-ECM
Factor: 45610729320124449292289
2008-10-12arnaudF-ECM
Factor: 646730219521
2008-10-12arnaudF-ECM
Factor: 70525124609
2008-10-11GunnarLuF-ECM
Factor: 646730219521
2008-10-11arnaudF-ECM
Factor: 45610729320124449292289
2008-10-11arnaudF-ECM
Factor: 70525124609
2008-10-11GunnarLuF-ECM
Factor: 70525124609
2008-10-10arnaudF-ECM
Factor: 70525124609
2008-10-10arnaudF-ECM
Factor: 45610729320124449292289
2008-10-10arnaudF-ECM
Factor: 646730219521
2008-10-10GunnarLuF-ECM
Factor: 70525124609
2008-10-08arnaudF-ECM
Factor: 45610729320124449292289
2008-10-07arnaudF-ECM
Factor: 70525124609
2008-10-06arnaudF-ECM
Factor: 45610729320124449292289
2008-10-02arnaudF-ECM
Factor: 45610729320124449292289
2008-10-02arnaudF-ECM
Factor: 70525124609
2008-10-01arnaudF-ECM
Factor: 45610729320124449292289
2008-10-01arnaudF-ECM
Factor: 70525124609
2008-09-30arnaudF-ECM
Factor: 45610729320124449292289
2008-09-30arnaudF-ECM
Factor: 70525124609
2008-09-29arnaudF-ECM
Factor: 45610729320124449292289
2008-09-29arnaudF-ECM
Factor: 646730219521
2008-09-25arnaudF-ECM
Factor: 646730219521
2008-09-25arnaudF-ECM
Factor: 45610729320124449292289
2008-09-22arnaudF-ECM
Factor: 45610729320124449292289
2008-09-18arnaudF-ECM
Factor: 45610729320124449292289
2008-09-18arnaudF-ECM
Factor: 646730219521
2008-09-17arnaudF-ECM
Factor: 70525124609
2008-09-16arnaudF-ECM
Factor: 45610729320124449292289
2008-09-16arnaudF-ECM
Factor: 646730219521
2008-09-16arnaudF-ECM
Factor: 70525124609
2008-09-12arnaudF-ECM
Factor: 70525124609
2008-09-11arnaudF-ECM
Factor: 646730219521
2008-09-11arnaudF-ECM
Factor: 70525124609
2008-09-10arnaudF-ECM
Factor: 45610729320124449292289
2008-09-09arnaudF-ECM
Factor: 70525124609
2008-09-08arnaudF-ECM
Factor: 646730219521
2008-09-08arnaudF-ECM
Factor: 45610729320124449292289
2008-09-04arnaudF-ECM
Factor: 45610729320124449292289
2008-09-04arnaudF-ECM
Factor: 70525124609
2008-09-03arnaudF-ECM
Factor: 45610729320124449292289
2008-09-02arnaudF-ECM
Factor: 45610729320124449292289
2008-09-02arnaudF-ECM
Factor: 646730219521
2008-09-02arnaudF-ECM
Factor: 70525124609
2008-09-01arnaudF-ECM
Factor: 45610729320124449292289
2008-09-01arnaudF-ECM
Factor: 70525124609
2008-08-28arnaudF-ECM
Factor: 70525124609
2008-08-28arnaudF-ECM
Factor: 45610729320124449292289
2008-08-27arnaudF-ECM
Factor: 45610729320124449292289
2008-08-27arnaudF-ECM
Factor: 70525124609
2008-08-26arnaudF-ECM
Factor: 45610729320124449292289
2008-08-25arnaudF-ECM
Factor: 45610729320124449292289
2008-07-30arnaudF-ECM
Factor: 45610729320124449292289
2008-07-30arnaudF-ECM
Factor: 646730219521
2008-07-29arnaudF-ECM
Factor: 70525124609
2008-07-28arnaudF-ECM
Factor: 646730219521
2008-07-25arnaudF-ECM
Factor: 45610729320124449292289
2008-07-23arnaudF-ECM
Factor: 45610729320124449292289
2008-07-22arnaudF-ECM
Factor: 70525124609
2008-07-22arnaudF-ECM
Factor: 45610729320124449292289
2008-07-21arnaudF-ECM
Factor: 45610729320124449292289
2008-07-20arnaudF-ECM
Factor: 45610729320124449292289
2008-07-19arnaudF-ECM
Factor: 646730219521
2008-07-19arnaudF-ECM
Factor: 45610729320124449292289
2008-07-18arnaudF-ECM
Factor: 70525124609
2008-07-18arnaudF-ECM
Factor: 45610729320124449292289
2008-07-16arnaudF-ECM
Factor: 646730219521
2008-07-11arnaudF-ECM
Factor: 70525124609
2008-07-10arnaudF-ECM
Factor: 45610729320124449292289
2008-07-10arnaudF-ECM
Factor: 70525124609
2008-07-09arnaudF-ECM
Factor: 70525124609
2008-07-08arnaudF-ECM
Factor: 70525124609
2008-07-07arnaudF-ECM
Factor: 646730219521
2008-07-04arnaudF-ECM
Factor: 70525124609
2008-07-04arnaudF-ECM
Factor: 45610729320124449292289
2008-07-03arnaudF-ECM
Factor: 646730219521
2008-07-03arnaudF-ECM
Factor: 70525124609
2008-06-30arnaudF-ECM
Factor: 45610729320124449292289
2008-06-30arnaudF-ECM
Factor: 70525124609
2008-06-27arnaudF-ECM
Factor: 45610729320124449292289
2008-06-27arnaudF-ECM
Factor: 70525124609
2008-06-26arnaudF-ECM
Factor: 45610729320124449292289
2008-06-25arnaudF-ECM
Factor: 646730219521
2008-06-24arnaudF-ECM
Factor: 70525124609
2008-06-23arnaudF-ECM
Factor: 45610729320124449292289
2008-06-20arnaudF-ECM
Factor: 646730219521
2008-06-20arnaudF-ECM
Factor: 45610729320124449292289
2008-06-19arnaudF-ECM
Factor: 70525124609
2008-06-17arnaudF-ECM
Factor: 70525124609
2008-06-17arnaudF-ECM
Factor: 45610729320124449292289
2008-06-16arnaudF-ECM
Factor: 70525124609
2008-06-13arnaudF-ECM
Factor: 45610729320124449292289
2008-06-11arnaudF-ECM
Factor: 70525124609
2008-06-11arnaudF-ECM
Factor: 45610729320124449292289
2008-06-05arnaudF-ECM
Factor: 70525124609
2008-06-05arnaudF-ECM
Factor: 45610729320124449292289
2008-06-04arnaudF-ECM
Factor: 45610729320124449292289
2008-06-04arnaudF-ECM
Factor: 646730219521
2008-06-03arnaudF-ECM
Factor: 70525124609
2008-06-02arnaudF-ECM
Factor: 646730219521
2008-05-30arnaudF-ECM
Factor: 45610729320124449292289
2008-05-29arnaudF-ECM
Factor: 70525124609
2008-05-29arnaudF-ECM
Factor: 646730219521
2008-05-27arnaudF-ECM
Factor: 70525124609
2008-05-27arnaudF-ECM
Factor: 646730219521
2008-05-26arnaudF-ECM
Factor: 70525124609
2008-05-23arnaudF-ECM
Factor: 646730219521
2008-05-22arnaudF-ECM
Factor: 45610729320124449292289
2008-05-22arnaudF-ECM
Factor: 70525124609
2008-05-21Serge BatalovF-ECM
Factor: 45610729320124449292289
2008-05-21Serge BatalovF-ECM
Factor: 646730219521
2008-05-20Serge BatalovF-ECM
Factor: 70525124609
2008-05-20Serge BatalovF-ECM
Factor: 45610729320124449292289
2008-05-19arnaudF-ECM
Factor: 70525124609
2008-05-14arnaudF-ECM
Factor: 45610729320124449292289
2008-05-14arnaudF-ECM
Factor: 70525124609
2008-04-30arnaudF-ECM
Factor: 70525124609
2008-04-29arnaudF-ECM
Factor: 45610729320124449292289
2008-04-28arnaudF-ECM
Factor: 45610729320124449292289
2008-04-27arnaudF-ECM
Factor: 646730219521
2008-04-27arnaudF-ECM
Factor: 45610729320124449292289
2008-04-26arnaudF-ECM
Factor: 70525124609
2008-04-25arnaudF-ECM
Factor: 45610729320124449292289
2008-04-25arnaudF-ECM
Factor: 646730219521
2008-04-24arnaudF-ECM
Factor: 70525124609
2008-04-23arnaudF-ECM
Factor: 646730219521
2008-04-23arnaudF-ECM
Factor: 45610729320124449292289
2008-04-22arnaudF-ECM
Factor: 646730219521
2008-04-21arnaudF-ECM
Factor: 646730219521
2008-04-21arnaudF-ECM
Factor: 70525124609
2008-04-20arnaudF-ECM
Factor: 646730219521
2008-04-20arnaudF-ECM
Factor: 70525124609
2008-04-19arnaudF-ECM
Factor: 45610729320124449292289
2008-04-19arnaudF-ECM
Factor: 646730219521
2008-04-18arnaudF-ECM
Factor: 646730219521
2008-04-18arnaudF-ECM
Factor: 45610729320124449292289
2008-04-17arnaudF-ECM
Factor: 70525124609
2008-04-16arnaudF-ECM
Factor: 646730219521
2008-04-15arnaudF-ECM
Factor: 70525124609
2008-04-14arnaudF-ECM
Factor: 646730219521
2008-04-13arnaudF-ECM
Factor: 70525124609