| 4749263 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 265 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 3 / 280 |
Estimated T-Level: 20.1 ⓘ TF below 2^62 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) | 2017-09-20 | kkmrkkblmbrbk | 1E4988BFA7877B26 | 2 | 0 | 1 | 3 | | Factored | PRP without proof (not generated) | 2018-03-15 | ATH | 1E4988BFA7877B26 | 2 | 3191520 | 1 | 3 | | Verified | Certified Good | 2020-08-13 | storm5510 | 82598C13BAF99801 | 3 | 1983342 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2023-10-02 | USAFSS | NF-PM1 | B1=240000, B2=91991760 | | 2022-06-21 | LordJulius | NF | no factor TF: 65-66 | | 2022-04-23 | J.R. Allen | NF | no factor TF: 64-65 | | 2022-04-23 | J.R. Allen | NF | no factor TF: 63-64 | | 2022-04-23 | J.R. Allen | NF | no factor TF: 62-63 | | 2020-08-13 | Runtime Error | CERT | Proof certified good | | 2020-08-13 | storm5510 | C-PRP | M4749263/9498527/4208002022280130073/121939523598506481631 : 82598C13BAF99801 Proof Certified Good
Proof Power: 7
| | 2020-08-13 | TJAOI | F | Factor: 121939523598506481631 | | 2018-03-15 | ATH | C-PRP | M4749263/9498527/4208002022280130073 : 1E4988BFA7877B26 | | 2017-09-20 | kkmrkkblmbrbk | C-PRP | M4749263/4208002022280130073/9498527 : 1E4988BFA7877B26 | | 2016-06-08 | TJAOI | F | Factor: 4208002022280130073 |
|
