| 84000017 | Composite: proven not-prime with PRP test No factors below 278 TF target 275 |
| P-1 | | B1 = | 1100000 | | B2 = | 191143680 |
|
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 77 / 280 |
Estimated T-Level: 21.4 ⓘ TF below 2^66 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Unverified | 2018-02-05 | C-C | 1E35AD57F7F738__ | 51548056 | Windows 64-bit,Prime95,v29.4,(aka Wg4) |
|
| PRP | | Status | Proof | Date | User | Residue | Shift | Type | Base |
|---|
| Verified | Certified Good Power=8 | 2021-10-11 | Kriesel | 6784B9ED086A46D3 | 0 | 1 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-03-13 | Kriesel | NF-PP1 | Start=123/41, B1=1100000, B2=190000000 | | 2024-02-25 | Kriesel | NF-PP1 | Start=6/5, B1=1100000, B2=190000000 | | 2024-02-17 | Kriesel | NF-PP1 | Start=2/7, B1=1100000, B2=190000000 | | 2023-12-18 | Kriesel | NF-PM1 | B1=1100000, B2=191143680 | | 2021-10-11 | curtisc | CERT | Proof certified good | | 2021-10-11 | Kriesel | C-PRP | 6784B9ED086A46D3 Proof Certified Good
Proof Power: 8
| | 2020-02-29 | mikr | NF-PM1 | B1=2100000, B2=48000000 | | 2020-02-29 | mikr | NF | no factor TF: 77-78 | | 2020-02-29 | mikr | NF | no factor TF: 76-77 | | 2018-02-05 | C-C | C-LL | 1E35AD57F7F738__ | | 2016-12-17 | dh1 | NF | no factor TF: 74-75 | | 2016-12-17 | dh1 | NF | no factor TF: 75-76 | | 2016-12-17 | dh1 | NF | no factor TF: 73-74 | | 2016-08-09 | Gordon Bower | NF | no factor TF: 72-73 | | 2016-08-09 | Gordon Bower | NF | no factor TF: 71-72 | | 2013-02-18 | SMoffat | NF | no factor TF: 70-71 | | 2010-11-08 | timbit | NF-PM1 | B1=950000, B2=27075000 | | 2009-06-01 | rudimeier | NF | no factor TF: 69-70 | | 2009-05-31 | rudimeier | NF | no factor TF: 68-69 | | 2009-05-31 | rudimeier | NF | no factor TF: 67-68 | | 2009-05-31 | rudimeier | NF | no factor TF: 66-67 |
|
