| 4194301 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 272 TF target 265 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 3 / 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 | | Conrad Curry | F4E12B59552BF911 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | | Steve Sommars | F4E12B59552BF911 | 0 | Windows,Prime95,v14,(aka WQ1) | | Factored | | S09429 | F4E12B59552BF911 | 3754002 | Linux 32-bit,Prime95,v20,(aka WW2) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-09-20 | kkmrkkblmbrbk | 1A652E695C11238D | 1 | 0 | 1 | 3 | | Verified | PRP without proof (not generated) | 2018-01-18 | Chang Chia-Tche | 1A652E695C11238D | 1 | 2587947 | 1 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-06-07 | kkmrkkblmbrbk | NF | no factor TF: 71-72 | | 2024-06-07 | kkmrkkblmbrbk | NF | no factor TF: 70-71 | | 2024-06-07 | kkmrkkblmbrbk | NF | no factor TF: 69-70 | | 2024-06-07 | kkmrkkblmbrbk | NF | no factor TF: 68-69 | | 2024-06-07 | kkmrkkblmbrbk | NF | no factor TF: 67-68 | | 2023-03-04 | USAFSS | NF-PM1 | B1=224000, B2=119776800 | | 2018-01-18 | Chang Chia-Tche | C-PRP | M4194301/2873888432993463577 : 1A652E695C11238D | | 2017-09-20 | kkmrkkblmbrbk | C-PRP | M4194301/2873888432993463577 : 1A652E695C11238D | | 1999-12-08 | willmore | NF | no factor TF: 1-61 | | 1999-10-21 | willmore | NF | no factor TF: 1-61 |
|
