| 2613997 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 138 / 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) | 2017-10-17 | Oliver Kruse | 5855E0F5D60D6A40 | 1 | 629746 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-12-02 | storm5510 | 5855E0F5D60D6A40 | 1 | 2445540 | 5 | 3 | | Verified | Certified Good | 2022-06-28 | Klaus Nordmann | 5855E0F5D60D6A40 | 2 | 1772705 | 5 | 3 | | Verified | Certified Good | 2022-07-25 | some-students | 5855E0F5D60D6A40 | 2 | 2140409 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2022-07-25 | tuxrunner | CERT | Proof certified good | | 2022-07-25 | some-students | C-PRP | M2613997/250943713/192274358018642456153 : 5855E0F5D60D6A40 Proof Certified Good Proof Power: 7
| | 2022-06-29 | ANONYMOUS | CERT | Proof certified good | | 2022-06-28 | Klaus Nordmann | C-PRP | M2613997/250943713/192274358018642456153 : 5855E0F5D60D6A40 Proof Certified Good Proof Power: 7
| | 2022-06-22 | TJAOI | F | Factor: 192274358018642456153 | | 2019-07-04 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-12-02 | storm5510 | C-PRP | M2613997/250943713 : 5855E0F5D60D6A40 | | 2017-10-17 | Oliver Kruse | C-PRP | M2613997/250943713 : 5855E0F5D60D6A40 |
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