| 2470201 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 140 / 280 |
Estimated T-Level: 22.5 ⓘ TF below 2^70 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 | 51E02EEFBDF0BFAB | 1 | 2096553 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-11-29 | storm5510 | 51E02EEFBDF0BFAB | 1 | 685671 | 5 | 3 | | Verified | Certified Good | 2025-12-26 | wigglefruit | 51E02EEFBDF0BFAB | 2 | 666490 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-12-26 | Massimo Cappelli (ik5pwa) | CERT | Proof certified good | | 2025-12-26 | wigglefruit | C-PRP | M2470201/253081380405761/15864677180615526392567 : 51E02EEFBDF0BFAB Proof Certified Good
Proof Power: 6
| | 2025-12-25 | wigglefruit | F-ECM | Factor: 15864677180615526392567 / ECM curve 14, B1=93756, B2=86479575, Edwards Sigma=3526220008234996 | | 2018-09-28 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-29 | storm5510 | C-PRP | M2470201/253081380405761 : 51E02EEFBDF0BFAB | | 2017-10-14 | Oliver Kruse | C-PRP | M2470201/253081380405761 : 51E02EEFBDF0BFAB |
|
