| 5070691 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 270 TF target 265 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 6 / 280 |
Estimated T-Level: 20.1 ⓘ TF below 2^62 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | | Marco Cesati | 4B9A02C1ADE52971 | 0 | Linux 32-bit,Prime95,v14,(aka WQ2) | | Factored | 1998-12-13 | Robert Zubek | 4B9A02C1ADE52971 | 0 | Windows,Prime95,v16,(aka WS1) | | Factored | 2000-08-10 | Chuck Wolber | 4B9A02C1ADE52971 | 1332746 | Linux 32-bit,Prime95,v19,(aka WV2) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-09-20 | kkmrkkblmbrbk | 751FA23AFA28B191 | 1 | 0 | 1 | 3 | | Verified | PRP without proof (not generated) | 2018-05-01 | storm5510 | 751FA23AFA28B191 | 1 | 2673217 | 1 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-02-16 | Sid & Andy | NF-PM1 | B1=5100000, B2=7342323450 | | 2025-01-17 | Sid & Andy | NF | no factor TF: 68-70 | | 2018-05-01 | storm5510 | C-PRP | M5070691/25535089988012424671 : 751FA23AFA28B191 | | 2017-09-20 | kkmrkkblmbrbk | C-PRP | M5070691/25535089988012424671 : 751FA23AFA28B191 | | 2014-09-15 | monst | F | Factor: 25535089988012424671 / TF: 64-65* | | 2014-09-01 | kracker | NF | no factor TF: 63-64 | | 2009-08-14 | USAFSS | NF-PM1 | B1=60000, B2=1065000, E=6 | | 2009-08-08 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2008-12-30 | Sturle Sunde | NF | no factor TF: 61-62 | | 2000-08-10 | -anonymous- | C-LL | 4B9A02C1ADE52971 | | 1998-12-13 | -anonymous- | C-LL | 4B9A02C1ADE52971 | | 1998-08-09 | Bill | NF | no factor TF: 1-61 |
|
