| 2347361 | Composite, with 5 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 262 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 120 / 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 | D618089E07B60C75 | 1 | 0 | 1 | 3 | | Factored | PRP without proof (not generated) | 2017-10-12 | Oliver Kruse | 96ADA3A4E8B39D0F | 4 | 993799 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-11-24 | storm5510 | 96ADA3A4E8B39D0F | 4 | 2282169 | 5 | 3 | | Verified | Certified Good | 2026-01-21 | Oliver Kruse | 96ADA3A4E8B39D0F | 5 | 1367864 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2026-01-21 | J. Gareth "Kit" Moreton | CERT | Proof certified good | | 2026-01-21 | Oliver Kruse | C-PRP | M2347361/1948309631/5201751977/1188004096823/21019636558103/332793007232368750977364132991 : 96ADA3A4E8B39D0F Proof Certified Good Proof Power: 7
| | 2026-01-16 | TJAOI | F-ECM | Factor: 332793007232368750977364132991 / ECM curve 31, B1=250000, B2=260702211, Edwards Sigma=8275519788765483 | | 2018-03-18 | alpertron | NF-PM1 | B1=500000, B2=15000000, E=12 | | 2017-11-24 | storm5510 | C-PRP | M2347361/1948309631/1188004096823/5201751977/21019636558103 : 96ADA3A4E8B39D0F | | 2017-10-12 | Oliver Kruse | C-PRP | M2347361/1948309631/1188004096823/5201751977/21019636558103 : 96ADA3A4E8B39D0F Proof Certified Good Proof Power: 7
| | 2017-10-12 | Oliver Kruse | C-PRP | M2347361/known_factors : D618089E07B60C75 | | 2014-01-10 | TJAOI | F | Factor: 21019636558103 | | 2008-07-14 | George Woltman | F-ECM | Factor: 5201751977 | | 2008-07-14 | George Woltman | F-ECM | Factor: 1188004096823 |
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