| 2361713 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 117 / 640 |
Estimated T-Level: 25.9 ⓘ 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 | CF07619735230510 | 2 | 534193 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-11-24 | storm5510 | CF07619735230510 | 2 | 549584 | 5 | 3 | | Verified | Certified Good | 2026-03-24 | Naegi Makoto | CF07619735230510 | 3 | 619369 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2026-03-24 | K. Jeong | CERT | Proof certified good | | 2026-03-24 | Naegi Makoto | C-PRP | M2361713/19399110583/7017405071161/4387728904488989620796089297 : CF07619735230510 Proof Certified Good
Proof Power: 7
| | 2026-03-19 | TJAOI | F-ECM | Factor: 4387728904488989620796089297 / ECM curve 7, B1=250000, B2=252173985, Edwards Sigma=6843260691358500 | | 2018-04-27 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-24 | storm5510 | C-PRP | M2361713/19399110583/7017405071161 : CF07619735230510 | | 2017-10-12 | Oliver Kruse | C-PRP | M2361713/19399110583/7017405071161 : CF07619735230510 | | 2008-07-14 | George Woltman | F-ECM | Factor: 7017405071161 |
|
