| 2305627 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 262 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 125 / 640 |
Estimated T-Level: 26.0 ⓘ TF below 2^81 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) | 2017-10-11 | Oliver Kruse | 69250B3E59BDC8E3 | 1 | 0 | 1 | 3 | | Factored | PRP without proof (not generated) | 2017-11-22 | storm5510 | 69250B3E59BDC8E3 | 1 | 68316 | 1 | 3 | | Verified | Certified Good | 2022-11-04 | Kevin_9611 | CED42E61587F0F3C | 2 | 1444206 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2022-11-04 | curtisc | CERT | Proof certified good | | 2022-11-04 | Kevin_9611 | C-PRP | M2305627/36890033/23844561569432412437327 : CED42E61587F0F3C Proof Certified Good Proof Power: 7
| | 2022-11-04 | Nesowa | F-ECM | Factor: 23844561569432412437327 / ECM curve 4, B1=50000, B2=27023535, Montgomery Sigma=911085140028504 | | 2021-06-11 | ViliamF | NF-PM1 | B1=5000000, B2=505000000 | | 2018-02-19 | alpertron | NF-PM1 | B1=500000, B2=15000000, E=12 | | 2017-11-22 | storm5510 | C-PRP | M2305627/36890033 : 69250B3E59BDC8E3 | | 2017-10-11 | Oliver Kruse | C-PRP | M2305627/36890033 : 69250B3E59BDC8E3 |
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