| 9204859 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 270 TF target 268 |
| Factored | |
| P-1 factors | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 3 / 280 |
Estimated T-Level: 20.1 ⓘ TF below 2^62 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 2000-02-16 | Manuel J. Galan | 182456C3FE67C347 | 9037624 | Linux 32-bit,Prime95,v18,(aka WU2) | | Factored | 2003-05-26 | Ars Technica Team Prime Rib | 182456C3FE67C347 | 6579379 | Windows,Prime95,v22,(aka WY1) |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2021-07-16 | RichD0 | 7BF6207316DEF993 | 1 | 8687239 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-06-17 | beep | NF | no factor TF: 69-70 | | 2021-07-17 | Ben Delo | CERT | Proof certified good | | 2021-07-16 | RichD0 | C-PRP | M9204859/9710751768898366607646623 : 7BF6207316DEF993 Proof Certified Good
Proof Power: 5
| | 2021-07-10 | Tha | F-PM1 | Factor: 9710751768898366607646623 / B1=2000000, B2=162000000 | | 2019-10-04 | mnd9 | NF | no factor TF: 68-69 | | 2017-03-07 | snme2pm1 | NF | no factor TF: 67-68 | | 2016-04-23 | snme2pm1 | NF | no factor TF: 66-67 | | 2015-05-08 | VictordeHollander | NF | no factor TF: 65-66 | | 2013-09-08 | Nesowa | NF | no factor TF: 64-65 | | 2012-09-19 | Nesowa | NF-PM1 | B1=110000, B2=2035000, E=6 | | 2003-05-26 | Team Prime Rib | C-LL | 182456C3FE67C347 | | 2003-05-19 | Team Prime Rib | NF-PM1 | B1=50000, B2=812500 | | 2000-02-16 | -anonymous- | C-LL | 182456C3FE67C347 | | 1999-09-30 | Roy Oswald | NF | no factor TF: 1-64 | | 1999-05-02 | Roy Oswald | NF | no factor TF: 1-64 | | 1999-01-29 | Sturle Sunde | NF | no factor TF: 1-62 |
|
