| 2379437 | Composite, with 4 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| P-1 factors | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 123 / 640 |
Estimated T-Level: 26.0 ⓘ TF below 2^81 is very unlikely to find new factors due to ECM effort. |
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2017-10-12 | Oliver Kruse | E6D2823709D02088 | 3 | 111555 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-11-25 | Gordon Spence | E6D2823709D02088 | 3 | 1715660 | 5 | 3 | | Verified | PRP without proof (not generated) | 2018-06-07 | storm5510 | E6D2823709D02088 | 4 | 868176 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2018-06-07 | storm5510 | C-PRP | M2379437/299809063/89219369753/1453180192203807943/53529130487783593258303 : E6D2823709D02088 | | 2018-06-07 | alpertron | F-PM1 | Factor: 53529130487783593258303 / B1=2000000, B2=60000000 | | 2017-11-25 | Gordon Spence | C-PRP | M2379437/299809063/89219369753/1453180192203807943 : E6D2823709D02088 | | 2017-10-12 | Oliver Kruse | C-PRP | M2379437/299809063/89219369753/1453180192203807943 : E6D2823709D02088 | | 2016-01-29 | TJAOI | F | Factor: 1453180192203807943 | | 2008-07-14 | George Woltman | F-ECM | Factor: 89219369753 |
|
