| 5413543 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 272 TF target 266 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 71 / 280 |
Estimated T-Level: 21.3 ⓘ TF below 2^66 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1998-08-24 | Chris K. Haley | B95B3F5D08D8BCD9 | 0 | Windows,Prime95,v16,(aka WS1) | | Factored | 2001-02-04 | Alan Vidmar | B95B3F5D08D8BCD9 | 5156642 | Windows,Prime95,v20,NT service,(aka WW5) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-03-17 | blin00 | 075A834E8E2D8D50 | 1 | 338354 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-03-17 | George Woltman | CERT | Proof certified good | | 2025-03-17 | blin00 | C-PRP | M5413543/221001583622180429482801 : 075A834E8E2D8D50 Proof Certified Good
Proof Power: 7
| | 2025-03-11 | fordobr | F-ECM | Factor: 221001583622180429482801 / ECM curve 33, B1=50000, B2=45039225, Edwards Sigma=6484687379441297 | | 2022-07-05 | Sid & Andy | NF-PM1 | B1=5000000, B2=7248780000 | | 2021-09-25 | SRBase | NF | no factor TF: 71-72 | | 2021-09-06 | SRBase | NF | no factor TF: 70-71 | | 2021-08-22 | SRBase | NF | no factor TF: 69-70 | | 2021-06-13 | Dylan Delgado | NF-PM1 | B1=2170000, B2=175770000 | | 2020-09-21 | TJAOI | NF | no factor TF: 68-69 | | 2019-07-24 | GdS | NF-PM1 | B1=1807207, B2=48794593 | | 2018-06-29 | ramgeis | NF | no factor TF: 67-68 | | 2016-06-18 | Gordon Spence | NF | no factor TF: 66-67 | | 2015-08-21 | snme2pm1 | NF | no factor TF: 65-66 | | 2014-12-30 | monst | NF | no factor TF: 64-65 | | 2014-12-29 | Nesowa | NF | no factor TF: 63-64 | | 2010-05-14 | Squeeky_Squirrel | NF-PM1 | B1=60000, B2=1020000, E=6 | | 2009-03-12 | abc | NF | no factor TF: 1-63 | | 2001-02-04 | vidmar | C-LL | B95B3F5D08D8BCD9 | | 2001-01-08 | vidmar | NF-PM1 | B1=20000, B2=20000 | | 2000-07-12 | -anonymous- | NF-PM1 | B1=20000, B2=60000 | | 1999-04-13 | -anonymous- | C-LL | B95B3F5D08D8BCD9 | | 1998-08-24 | -anonymous- | C-LL | B95B3F5D08D8BCD9 | | 1998-03-17 | Sturle Sunde | NF | no factor TF: 1-62 |
|
