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

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MnStatusDetails
Fermat F25Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
259915314626571444.61963
2043934642662277131857.51985-08-07
21700726444963921931960.91987-12-16
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
403000000932 / 4588
Estimated T-Level: 36.0
TF below 2^115 is very unlikely to find new factors due to ECM effort.
3 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
2024-11-03Yeetcadamyfactor ECM smallC1S225.99 % 2024-11-15
2024-03-30JustinNFfactor ECM smallC1S214.94 % 2024-11-14
History
DateUserTypeResult
2021-04-29ATHNF-PP1
Start=6/5, B1=5000000, B2=500000000
2021-04-25ATHNF-PP1
Start=2/7, B1=5000000, B2=500000000
2008-12-07Nathan SlavenF-ECM
Factor: 56403511415679256557284805836801
2008-12-05Nathan SlavenF-ECM
Factor: 5312499157237116852518718013441
2008-12-03Nathan SlavenF-ECM
Factor: 204393464266227713
2008-12-03Sturle SundeF-ECM
Factor: 25991531462657
2008-12-01Klaus MersenneF-ECM
Factor: 204393464266227713
2008-11-30RunSkipJak73F-ECM
Factor: 25991531462657
2008-11-29Klaus MersenneF-ECM
Factor: 25991531462657
2008-11-29Never Odd Or EvenF-ECM
Factor: 204393464266227713
2008-11-28Klaus MersenneF-ECM
Factor: 25991531462657
2008-11-27Never Odd Or EvenF-ECM
Factor: 25991531462657
2008-11-27Klaus MersenneF-ECM
Factor: 25991531462657
2008-11-16Sturle SundeF-ECM
Factor: 25991531462657
2008-11-14laleraF-ECM
Factor: 25991531462657
2008-11-10Sturle SundeF-ECM
Factor: 25991531462657
2008-11-06Sturle SundeF-ECM
Factor: 2170072644496392193
2008-11-05Sturle SundeF-ECM
Factor: 25991531462657
2008-11-05alan145F-ECM
Factor: 25991531462657
2008-10-30Sturle SundeF-ECM
Factor: 25991531462657
2008-10-27LookASF-ECM
Factor: 25991531462657
2008-10-26Sturle SundeF-ECM
Factor: 204393464266227713
2008-10-25Sturle SundeF-ECM
Factor: 25991531462657
2008-10-24Sturle SundeF-ECM
Factor: 2170072644496392193
2008-10-21Sturle SundeF-ECM
Factor: 25991531462657
2008-10-20Sturle SundeF-ECM
Factor: 25991531462657
2008-10-18Sturle SundeF-ECM
Factor: 25991531462657
2008-10-14Sturle SundeF-ECM
Factor: 5312499157237116852518718013441
2008-10-13Sturle SundeF-ECM
Factor: 25991531462657
2008-10-02Sturle SundeF-ECM
Factor: 25991531462657
2008-09-29Sturle SundeF-ECM
Factor: 25991531462657
2008-09-21Sturle SundeF-ECM
Factor: 204393464266227713
2008-09-20Sturle SundeF-ECM
Factor: 25991531462657
2008-09-16Sturle SundeF-ECM
Factor: 204393464266227713
2008-09-01ATHF-ECM
Factor: 25991531462657
2008-08-31Sturle SundeF-ECM
Factor: 25991531462657
2008-08-27ATHF-ECM
Factor: 2170072644496392193
2008-08-26Sturle SundeF-ECM
Factor: 25991531462657
2008-08-24Sturle SundeF-ECM
Factor: 25991531462657
2008-08-14Sturle SundeF-ECM
Factor: 25991531462657
2008-08-12Sturle SundeF-ECM
Factor: 25991531462657
2008-08-10Sturle SundeF-ECM
Factor: 25991531462657
2008-08-09Sturle SundeF-ECM
Factor: 25991531462657
2008-07-20Sturle SundeF-ECM
Factor: 5312499157237116852518718013441
2008-07-18Sturle SundeF-ECM
Factor: 25991531462657
2008-07-08Sturle SundeF-ECM
Factor: 2170072644496392193
2008-07-04Sturle SundeF-ECM
Factor: 56403511415679256557284805836801
2008-06-29Sturle SundeF-ECM
Factor: 25991531462657
2008-06-27Sturle SundeF-ECM
Factor: 25991531462657
2008-06-25Sturle SundeF-ECM
Factor: 25991531462657
2008-06-22Sturle SundeF-ECM
Factor: 25991531462657
2008-06-17Sturle SundeF-ECM
Factor: 25991531462657
2008-06-05Sturle SundeF-ECM
Factor: 204393464266227713
2008-05-22Sturle SundeF-ECM
Factor: 25991531462657
2008-05-21Sturle SundeF-ECM
Factor: 25991531462657
2008-05-18Sturle SundeF-ECM
Factor: 204393464266227713
2008-05-06Sturle SundeF-ECM
Factor: 2170072644496392193
2008-05-01Sturle SundeF-ECM
Factor: 25991531462657
2008-04-30Sturle SundeF-ECM
Factor: 2170072644496392193
2008-04-27Sturle SundeF-ECM
Factor: 25991531462657