| 2296807 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 270 TF target 262 |
| Factored | |
| 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 | BE2F137B42021B25 | 1 | 0 | 1 | 3 | | Factored | PRP without proof (not generated) | 2017-11-22 | storm5510 | BE2F137B42021B25 | 1 | 413841 | 1 | 3 | | Verified | Certified Good | 2025-04-24 | BUROMIECZ | 533B3FD5A95EE562 | 2 | 997833 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-04-25 | BUROMIECZ | F | Factor: 918722801 / TF: 1-68 | | 2025-04-25 | BUROMIECZ | NF | no factor TF: 68-70 | | 2025-04-24 | feather | CERT | Proof certified good | | 2025-04-24 | BUROMIECZ | C-PRP | M2296807/918722801/34522480398995530627417 : 533B3FD5A95EE562 Proof Certified Good Proof Power: 7
| | 2025-04-24 | BUROMIECZ | F-ECM | Factor: 34522480398995530627417 / ECM curve 3, B1=85403, B2=32863740, Edwards Sigma=1737974836975866 | | 2017-11-22 | storm5510 | C-PRP | M2296807/918722801 : BE2F137B42021B25 | | 2017-10-11 | Oliver Kruse | C-PRP | M2296807/918722801 : BE2F137B42021B25 | | 2016-04-28 | alpertron | NF-PM1 | B1=500000, B2=15000000, E=12 |
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