| 2365999 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 263 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 127 / 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) | 2017-10-12 | Oliver Kruse | 277C75E84E724CC1 | 1 | 1144630 | 5 | 3 | | Factored | PRP without proof (not generated) | 2017-11-24 | storm5510 | 277C75E84E724CC1 | 1 | 849519 | 5 | 3 | | Verified | Certified Good | 2024-01-03 | Naegi Makoto | 277C75E84E724CC1 | 2 | 985546 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-01-04 | LOBES | CERT | Proof certified good | | 2024-01-03 | Naegi Makoto | C-PRP | M2365999/972860932817/213520912809818976100073 : 277C75E84E724CC1 Proof Certified Good Proof Power: 7
| | 2024-01-03 | Andrew B | F-ECM | Factor: 213520912809818976100073 / ECM curve 29, B1=50000, B2=5600000, Montgomery Sigma=7656029243479837 | | 2018-04-27 | alpertron | NF-PM1 | B1=2000000, B2=60000000, E=12 | | 2017-11-24 | storm5510 | C-PRP | M2365999/972860932817 : 277C75E84E724CC1 | | 2017-10-12 | Oliver Kruse | C-PRP | M2365999/972860932817 : 277C75E84E724CC1 |
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