| 10387199 | Composite, with 4 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 268 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 13 / 280 |
Estimated T-Level: 20.2 ⓘ 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) | 2020-05-24 | riccardo uberti | 48A767532F541604 | 3 | 9824031 | 5 | 3 | | Factored | Certified Good | 2021-02-27 | XZT | 48A767532F541604 | 3 | 5209613 | 5 | 3 | | Verified | Certified Good | 2022-01-10 | RichD0 | 48A767532F541604 | 4 | 418852 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2026-01-13 | Sid & Andy | NF-PM1 | B1=1700000, B2=1976470650 | | 2022-01-11 | James Heinrich | CERT | Proof certified good | | 2022-01-10 | RichD0 | C-PRP | M10387199/498585553/83737692751177/41039970830323393/171356927082920754359 : 48A767532F541604 Proof Certified Good
Proof Power: 8
| | 2022-01-04 | TJAOI | F | Factor: 171356927082920754359 | | 2021-02-27 | Ben Delo | CERT | Proof certified good | | 2021-02-27 | XZT | C-PRP | M10387199/498585553/83737692751177/41039970830323393 : 48A767532F541604 Proof Certified Good
Proof Power: 8
| | 2020-05-24 | riccardo uberti | C-PRP | M10387199/498585553/83737692751177/41039970830323393 : 48A767532F541604 | | 2015-01-11 | TJAOI | F | Factor: 41039970830323393 | | 2008-09-08 | Will Edgington | F | Factor: 83737692751177 |
|
