| 11928589 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 270 TF target 268 |
| Factored | |
| P-1 factors | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 2 / 280 |
Estimated T-Level: 20.0 ⓘ TF below 2^62 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 2002-01-15 | Fumitaka Hayashi | BA17E3B274150034 | 11718069 | Linux 32-bit,Prime95,v20,(aka WW2) | | Factored | 2004-06-12 | Randal Masutani | BA17E3B274150034 | 5733176 | FreeBSD 32-bit,Prime95,v22,(aka WY6) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2021-12-04 | LaurV | 2C383719ACCBB82A | 1 | 9425531 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2021-12-04 | Ben Delo | CERT | Proof certified good | | 2021-12-04 | LaurV | C-PRP | M11928589/319601463573862784270908450994888196129607 : 2C383719ACCBB82A Proof Certified Good
Proof Power: 8
| | 2021-07-15 | LaurV | F-PM1 | Factor: 319601463573862784270908450994888196129607 / B1=6189107, B2=185673210 | | 2021-05-17 | lycorn | NF | no factor TF: 69-70 | | 2019-04-16 | riccardo uberti | NF-PM1 | B1=430000, B2=8500000 | | 2018-01-01 | ramgeis | NF | no factor TF: 68-69 | | 2018-01-01 | ramgeis | NF | no factor TF: 67-68 | | 2016-03-05 | Yxinity | NF | no factor TF: 66-67 | | 2013-10-20 | Nesowa | NF | no factor TF: 65-66 | | 2013-10-12 | lycorn | NF | no factor TF: 64-65 | | 2004-06-12 | -anonymous- | C-LL | BA17E3B274150034 | | 2002-01-15 | -anonymous- | C-LL | BA17E3B274150034 | | 2001-11-24 | -anonymous- | NF-PM1 | B1=180000, B2=180000 | | 2001-04-08 | -anonymous- | NF-PM1 | B1=140000, B2=1855000 | | 2000-02-09 | -anonymous- | NF | no factor TF: 1-64 |
|
