| 333333223 | Composite: proven not-prime with PRP test No factors below 282 TF target 281 |
| P-1 | | B1 = | 4000000 | | B2 = | 802334610 |
|
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 280 / 280 | | 30 | 250000 | 58 / 640 |
Estimated T-Level: 25.5 ⓘ TF below 2^80 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Unverified | 2016-04-13 | aurashift | 0405F7990A1B21__ | 15477253 | Linux 64-bit,Prime95,v28.7,build 1 |
|
| PRP | | Status | Proof | Date | User | Residue | Shift | Type | Base |
|---|
| Verified | Certified Good Power=10 | 2022-01-15 | Kriesel | 3D5C1AD1B90B0CC0 | 0 | 1 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-11-25 | Kriesel | NF-PP1 | Start=185/19, B1=4000000, B2=800000000 | | 2024-11-08 | Kriesel | NF-PP1 | Start=6/5, B1=4000000, B2=800000000 | | 2024-08-28 | Kriesel | NF-PP1 | Start=2/7, B1=4000000, B2=800000000 | | 2024-07-15 | MooMoo2 | NF | no factor TF: 81-82 | | 2023-12-25 | Kriesel | NF-PM1 | B1=4000000, B2=802334610 | | 2023-10-18 | James Heinrich | NF | no factor TF: 67-68 | | 2022-01-15 | curtisc | CERT | Proof certified good | | 2022-01-15 | Kriesel | C-PRP | 3D5C1AD1B90B0CC0 Proof Certified Good
Proof Power: 10
| | 2016-04-19 | Bruno Victal | NF | no factor TF: 80-81 | | 2016-04-18 | Bruno Victal | NF | no factor TF: 79-80 | | 2016-04-17 | Bruno Victal | NF | no factor TF: 78-79 | | 2016-04-17 | Bruno Victal | NF | no factor TF: 77-78 | | 2016-04-13 | aurashift | C-LL | 0405F7990A1B21__ | | 2009-05-28 | unconnected | NF | no factor TF: 76-77 | | 2009-05-23 | unconnected | NF-PM1 | B1=3315000, B2=73758750 | | 2009-05-07 | unconnected | NF | no factor TF: 75-76 | | 2009-04-17 | unconnected | NF | no factor TF: 74-75 | | 2009-04-15 | unconnected | NF | no factor TF: 73-74 | | 2009-04-13 | unconnected | NF | no factor TF: 72-73 | | 2009-04-04 | unconnected | NF | no factor TF: 71-72 | | 2009-03-31 | unconnected | NF | no factor TF: 70-71 | | 2008-09-17 | monst | NF | no factor TF: 69-70 | | 2008-09-17 | monst | NF | no factor TF: 68-69 |
|
