| 5039681 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 270 TF target 265 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 5 / 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 | 1998-06-14 | INTERSHOP Communications | BFB61A5ADB0C9AC8 | 0 | Windows,Prime95,v15,NT service,(aka WR5) | | Factored | 2000-05-05 | Andrew Folkins | BFB61A5ADB0C9AC8 | 576525 | OS/2,Prime95,v18,(aka WU7) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-11-22 | storm5510 | 5CB4DA60B3A31522 | 1 | 447013 | 5 | 3 | | Verified | PRP without proof (not generated) | 2018-01-17 | kkmrkkblmbrbk | 5CB4DA60B3A31522 | 1 | 4849773 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-02-17 | Sid & Andy | NF-PM1 | B1=5200000, B2=7513644600 | | 2025-01-08 | Sid & Andy | NF | no factor TF: 68-70 | | 2023-04-14 | Kevin_9611 | NF-PM1 | B1=330000, B2=178871550 | | 2018-01-17 | kkmrkkblmbrbk | C-PRP | M5039681/93692525406035361023 : 5CB4DA60B3A31522 | | 2017-11-22 | storm5510 | C-PRP | M5039681/93692525406035361023 : 5CB4DA60B3A31522 | | 2014-05-26 | S36049 | F-ECM | Factor: 93692525406035361023 | | 2009-07-23 | USAFSS | NF-PM1 | B1=55000, B2=907500, E=6 | | 2006-01-15 | Joss | NF-PM1 | B1=10000 | | 2000-05-05 | -anonymous- | C-LL | BFB61A5ADB0C9AC8 | | 1998-06-14 | netconx | C-LL | BFB61A5ADB0C9AC8 | | 1998-02-08 | -anonymous- | NF | no factor TF: 1-61 | | 1998-01-26 | -anonymous- | NF | no factor TF: 1-61 |
|
