| 7440221 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 267 |
| Factored | |
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2018-03-18 | Oliver Kruse | BF18A5F1CA248423 | 2 | 4603222 | 5 | 3 | | Factored | PRP without proof (not generated) | 2019-06-06 | kkmrkkblmbrbk | BF18A5F1CA248423 | 2 | 139122 | 5 | 3 | | Verified | PRP without proof (not generated) | 2020-05-18 | ANONYMOUS | BF18A5F1CA248423 | 3 | 3934975 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-02-09 | Stef42 | NF-PM1 | B1=2500000, B2=4474516200 | | 2022-03-21 | LordJulius | NF | no factor TF: 64-65 | | 2022-03-21 | LordJulius | NF | no factor TF: 65-66 | | 2022-03-21 | LordJulius | NF | no factor TF: 60-63 | | 2022-03-21 | LordJulius | NF | no factor TF: 63-64 | | 2020-05-18 | ANONYMOUS | C-PRP | M7440221/223206631/1102631926475925823/107354141049190292119 : BF18A5F1CA248423 | | 2020-05-14 | TJAOI | F | Factor: 107354141049190292119 | | 2019-06-06 | kkmrkkblmbrbk | C-PRP | M7440221/223206631/1102631926475925823 : BF18A5F1CA248423 | | 2018-03-18 | Oliver Kruse | C-PRP | M7440221/223206631/1102631926475925823 : BF18A5F1CA248423 | | 2015-12-24 | TJAOI | F | Factor: 1102631926475925823 |
|
