| 5112017 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 273 TF target 265 |
| Factored | |
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 10 / 280 |
Estimated T-Level: 20.2 ⓘ TF below 2^62 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Factored | 1998-07-29 | Bob Margulies | 99D9B05AF97CFF0C | 0 | Windows,Prime95,v16,(aka WS1) | | Factored | 2000-05-24 | Jan Kuipers | 99D9B05AF97CFF0C | 864797 | Linux 32-bit,Prime95,v20,(aka WW2) |
|
| PRP | | Status | Proof | Date | User | Residue | Shift | Type | Base |
|---|
| Factored | Certified Good Power=7 | 2025-01-09 | Oliver Kruse | 5AC48A64D5A377CA | 2741351 | 1 | 3 | | Factored | Certified Good Power=7 | 2025-01-10 | Torchwood Institute | 5AC48A64D5A377CA | 2420965 | 1 | 3 | | Factored | Not Uploaded Power=7 | 2025-01-10 | Torchwood Institute | 5AC48A64D5A377CA | 4005301 | 1 | 3 |
|
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of known factors | Shift | Type | Base |
|---|
| Verified | Certified Good | 2025-01-10 | kurly | 5AC48A64D5A377CA | 1 | 1071923 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-01-10 | garo | CERT | Proof certified good | | 2025-01-10 | kurly | C-PRP | M5112017/503773033539264473212223 : 5AC48A64D5A377CA Proof Certified Good Proof Power: 7
| | 2025-01-10 | Torchwood Institute | C-PRP | 5AC48A64D5A377CA Proof Certified Good Proof Power: 7
| | 2025-01-10 | Sly_007 | CERT | Proof certified good | | 2025-01-10 | Torchwood Institute | C-PRP | 5AC48A64D5A377CA Proof Certified Good Proof Power: 7
| | 2025-01-09 | Stixxy | CERT | Proof certified good | | 2025-01-09 | Oliver Kruse | C-PRP | 5AC48A64D5A377CA Proof Certified Good Proof Power: 7
| | 2025-01-04 | fordobr | F-ECM | Factor: 503773033539264473212223 / ECM curve 1, B1=50000, B2=31130190, Edwards Sigma=2660158423354465 | | 2024-07-29 | Andrew B | NF | no factor TF: 72-73 | | 2024-07-29 | Andrew B | NF | no factor TF: 71-72 | | 2022-07-11 | Sid & Andy | NF-PM1 | B1=4000000, B2=10347370110 | | 2022-01-10 | mikr | NF | no factor TF: 70-71 | | 2020-12-15 | -anonymous- | NF | no factor TF: 69-70 | | 2020-11-30 | TJAOI | NF | no factor TF: 68-69 | | 2019-01-15 | King | NF-PM1 | B1=750000, B2=17500000 | | 2018-06-20 | ramgeis | NF | no factor TF: 67-68 | | 2016-05-17 | Gordon Spence | NF | no factor TF: 66-67 | | 2016-02-23 | Mark Rose | NF | no factor TF: 62-63 | | 2015-08-05 | snme2pm1 | NF | no factor TF: 65-66 | | 2014-12-14 | VictordeHollander | NF | no factor TF: 64-65 | | 2014-12-14 | VictordeHollander | NF | no factor TF: 63-64 | | 2009-09-01 | USAFSS | NF-PM1 | B1=55000, B2=921250, E=6 | | 2009-07-27 | GrunwalderGIMP | NF | no factor TF: 1-63 | | 2008-12-29 | Sturle Sunde | NF | no factor TF: 61-62 | | 2000-05-24 | Jan Kuipers | C-LL | 99D9B05AF97CFF0C | | 2000-04-05 | Jan Kuipers | NF-PM1 | B1=25000, B2=181250 | | 1998-07-29 | -anonymous- | C-LL | 99D9B05AF97CFF0C | | 1998-06-07 | -anonymous- | NF | no factor TF: 1-61 |
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