| 8138243 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 269 TF target 267 |
| Factored | |
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2018-08-26 | Oliver Kruse | 8EA794DF04D18289 | 1 | 1180848 | 5 | 3 | | Factored | PRP without proof (not generated) | 2020-02-17 | marssystems | 8EA794DF04D18289 | 1 | 3242888 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-05-12 | mrh | 8EA794DF04D18289 | 2 | 705784 | 5 | 3 |
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| History | | Date | User | Type | Result |
|---|
| 2023-06-06 | Flaukrotist | NF | no factor TF: 68-69 | | 2023-03-14 | Flaukrotist | NF-PM1 | B1=2200000, B2=1939831410 | | 2022-05-03 | Flaukrotist | NF | no factor TF: 67-68 | | 2020-05-12 | mrh | C-PRP | M8138243/195317833/106778072828124629017 : 8EA794DF04D18289 | | 2020-05-12 | TJAOI | F | Factor: 106778072828124629017 | | 2020-02-17 | marssystems | C-PRP | M8138243/195317833 : 8EA794DF04D18289 | | 2018-08-26 | Oliver Kruse | C-PRP | M8138243/195317833 : 8EA794DF04D18289 |
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