| 2233019 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 262 |
| Factored | |
| P-1 factors | | Date | Factors | B1 | B2 |
|---|
| 2016-04-14 | No new factors discovered | 500000 | 15000000 |
|
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 160 / 640 |
Estimated T-Level: 26.3 ⓘ TF below 2^82 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 |
|---|
| Factored | PRP without proof (not generated) | 2017-10-10 | Oliver Kruse | FB864980AEDC6B7D | 1 | 0 | 1 | 3 | | Factored | PRP without proof (not generated) | 2017-12-05 | ATH | 2FA6E2F4368446DF | 2 | 2015120 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-12-05 | kkmrkkblmbrbk | 2FA6E2F4368446DF | 2 | 865141 | 5 | 3 | | Verified | Certified Good | 2023-06-07 | Nesowa | 2FA6E2F4368446DF | 3 | 2184018 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2023-06-07 | 69-bit_color_depth | CERT | Proof certified good | | 2023-06-07 | Nesowa | C-PRP | M2233019/4466039/1219861756779140901119/4269578985537926772263 : 2FA6E2F4368446DF Proof Certified Good
Proof Power: 7
| | 2023-06-07 | Nesowa | F-ECM | Factor: 4269578985537926772263 / ECM curve 22, B1=50000, B2=13210890, Montgomery Sigma=6492999752662393 | | 2021-06-30 | Dylan Delgado | NF-PM1 | B1=1000000, B2=106000000 | | 2017-12-05 | kkmrkkblmbrbk | C-PRP | M2233019/4466039/1219861756779140901119 : 2FA6E2F4368446DF | | 2017-12-05 | ATH | C-PRP | M2233019/4466039/1219861756779140901119 : 2FA6E2F4368446DF | | 2017-10-18 | Oliver Kruse | C-PRP | M2233019/4466039/1219861756779140901119/1219861756779140901119 : 2FA6E2F4368446DF | | 2017-10-10 | Oliver Kruse | C-PRP | M2233019/known_factors : FB864980AEDC6B7D | | 2016-04-14 | alpertron | F-PM1 | Factor: 1219861756779140901119 / B1=500000, B2=15000000 |
|
