| 10257493 | Composite, with 2 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 268 |
| Factored | |
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Verified | PRP without proof (not generated) | 2020-03-20 | Niels_Mache_Nextcloud | DE21CED6214901F6 | 2 | 7878239 | 5 | 3 | | Factored | PRP without proof (not generated) | 2020-05-08 | Luigi Morelli | DE21CED6214901F6 | 1 | 4029288 | 5 | 3 | | Verified | Certified Good | 2021-02-14 | XZT | DE21CED6214901F6 | 2 | 1609067 | 5 | 3 |
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| History | | Date | User | Type | Result |
|---|
| 2025-12-18 | Sid & Andy | NF-PM1 | B1=1600000, B2=2468870250 | | 2022-04-15 | LordJulius | NF | no factor TF: 67-68 | | 2021-02-15 | curtisc | CERT | Proof certified good | | 2021-02-14 | XZT | C-PRP | M10257493/43619477338749161/99192696172478703673 : DE21CED6214901F6 Proof Certified Good Proof Power: 8
| | 2020-05-08 | Luigi Morelli | C-PRP | M10257493/43619477338749161 : DE21CED6214901F6 | | 2020-03-20 | Niels_Mache_Nextcloud | C-PRP | M10257493/43619477338749161/99192696172478703673 : DE21CED6214901F6 | | 2020-03-19 | TJAOI | F | Factor: 99192696172478703673 | | 1999-08-31 | -anonymous- | F | Factor: 43619477338749161 |
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