| 2507413 | Composite, with 4 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 178 / 280 |
Estimated T-Level: 23.2 ⓘ TF below 2^72 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) | 2017-10-14 | Oliver Kruse | 0D4132EF212B296F | 3 | 49630 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-11-30 | storm5510 | 0D4132EF212B296F | 3 | 558233 | 5 | 3 | | Verified | Certified Good | 2024-01-09 | Nesowa | 0D4132EF212B296F | 4 | 766972 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-01-09 | curtisc | CERT | Proof certified good | | 2024-01-09 | Nesowa | C-PRP | M2507413/15044479/9398521103423/4219747960181865121/1142185657476664459233863 : 0D4132EF212B296F Proof Certified Good
Proof Power: 7
| | 2024-01-09 | Nesowa | F-ECM | Factor: 1142185657476664459233863 / ECM curve 8, B1=50000, B2=38914785, Montgomery Sigma=8495373557694926 | | 2022-08-20 | USAFSS | NF-PM1 | B1=240000, B2=199861200 | | 2017-11-30 | storm5510 | C-PRP | M2507413/15044479/9398521103423/4219747960181865121 : 0D4132EF212B296F | | 2017-10-14 | Oliver Kruse | C-PRP | M2507413/15044479/9398521103423/4219747960181865121 : 0D4132EF212B296F | | 2016-06-08 | TJAOI | F | Factor: 4219747960181865121 | | 2008-09-30 | markr | F | Factor: 9398521103423 |
|
