| 2292053 | Composite, with 5 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 262 |
| Factored | |
| P-1 factors | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 122 / 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) | 2017-10-11 | Oliver Kruse | AE10591E41DBA657 | 1 | 0 | 1 | 3 | | Factored | PRP without proof (not generated) | 2017-10-18 | Oliver Kruse | 5C174F9E20E3EF67 | 4 | 1546270 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-11-22 | storm5510 | 5C174F9E20E3EF67 | 4 | 1532742 | 5 | 3 | | Verified | Certified Good | 2025-05-28 | JC_Herles | 5C174F9E20E3EF67 | 5 | 763670 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-05-28 | 0x | CERT | Proof certified good | | 2025-05-28 | JC_Herles | C-PRP | M2292053/1245043189601/38473173117593/4325969585814330631/134970948013271360681/19119487386780490189009583 : 5C174F9E20E3EF67 Proof Certified Good
Proof Power: 7
| | 2025-05-28 | JC_Herles | F-ECM | Factor: 19119487386780490189009583 / ECM curve 32, B1=89740, B2=50262795, Edwards Sigma=8845382325290079 | | 2017-11-22 | storm5510 | C-PRP | M2292053/1245043189601/38473173117593/134970948013271360681/4325969585814330631 : 5C174F9E20E3EF67 | | 2017-10-18 | Oliver Kruse | C-PRP | M2292053/1245043189601/38473173117593/134970948013271360681/4325969585814330631 : 5C174F9E20E3EF67 | | 2017-10-11 | Oliver Kruse | C-PRP | M2292053/known_factors : AE10591E41DBA657 | | 2016-06-10 | TJAOI | F | Factor: 4325969585814330631 | | 2016-04-23 | alpertron | F-PM1 | Factor: 134970948013271360681 / B1=500000, B2=15000000 | | 2014-01-15 | TJAOI | F | Factor: 38473173117593 |
|
