| 2442719 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 173 / 280 |
Estimated T-Level: 23.1 ⓘ TF below 2^72 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Marc Honey | 02211EF9AA7D9ADE | 0 | Windows,Prime95,v11,(aka WC) | | Factored | 1999-03-15 | arnaud | 02211EF9AA7D9ADE | 1869739 | Windows,Prime95,v17,(aka WT1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-10-13 | Oliver Kruse | D9F35AF88F998983 | 1 | 769635 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-11-27 | storm5510 | D9F35AF88F998983 | 1 | 148777 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2022-03-10 | LordJulius | NF | no factor TF: 1-60 | | 2018-09-28 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-27 | storm5510 | C-PRP | M2442719/27573814760148300857 : D9F35AF88F998983 | | 2017-10-13 | Oliver Kruse | C-PRP | M2442719/27573814760148300857 : D9F35AF88F998983 | | 2011-01-18 | Oscar Östlin | F-PM1 | Factor: 27573814760148300857 | | 2010-11-17 | Joss | NF-PM1 | B1=20000 | | 2009-01-15 | Sturle Sunde | NF | no factor TF: 60-61 | | 2003-10-31 | Team Prime Rib | NF-PM1 | B1=15000, B2=217500 | | 2003-10-14 | -anonymous- | NF-PM1 | B1=2048, B2=204800 | | 1999-03-15 | arnaud | NF | no factor TF: 1-59 | | 1999-03-15 | arnaud | C-LL | 02211EF9AA7D9ADE |
|
