| 2480383 | Composite, with 4 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 111 / 280 |
Estimated T-Level: 22.0 ⓘ TF below 2^68 is very unlikely to find new factors due to ECM effort. |
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2017-10-14 | Oliver Kruse | 184B9B6CCB26DCF5 | 4 | 1669156 | 5 | 3 | | Verified | PRP without proof (not generated) | 2017-11-29 | storm5510 | 184B9B6CCB26DCF5 | 4 | 2327197 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2023-03-18 | Denial140 | NF-PM1 | B1=1000000, B2=6543255810 | | 2022-08-17 | USAFSS | NF-PM1 | B1=224000, B2=203668920 | | 2017-11-29 | storm5510 | C-PRP | M2480383/59529193/1403862052639/277802897/57330177555699353 : 184B9B6CCB26DCF5 | | 2017-10-14 | Oliver Kruse | C-PRP | M2480383/59529193/1403862052639/277802897/57330177555699353 : 184B9B6CCB26DCF5 | | 2015-02-06 | TJAOI | F | Factor: 57330177555699353 | | 2008-07-14 | George Woltman | F-ECM | Factor: 277802897 | | 2008-07-14 | George Woltman | F-ECM | Factor: 1403862052639 |
|
