| 86225219 | Composite: proven not-prime with PRP test No factors below 277 TF target 275 |
| P-1 | | B1 = | 3565000 | | B2 = | 105167500 |
|
| ECM | | Digits | B1 | Curves |
|---|
| 25 | 50000 | 117 / 280 |
Estimated T-Level: 22.1 ⓘ TF below 2^68 is very unlikely to find new factors due to ECM effort. |
| LL | | Status | Date | User | Residue | Shift | Software |
|---|
| Unverified | 2014-12-28 | S. Eichsteininger | B3CCD9FB14CBB4__ | 65893857 | Mac OS X 64-bit,Prime95,v28.5,build 2 |
|
| PRP | | Status | Proof | Date | User | Residue | Shift | Type | Base |
|---|
| Verified | Certified Good Power=10 | 2021-12-27 | Kriesel | 155211A1976DE7EA | 0 | 1 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2024-02-04 | Kriesel | NF-PP1 | Start=97/37, B1=1100000, B2=190000000 | | 2024-01-31 | Kriesel | NF-PP1 | Start=6/5, B1=1100000, B2=190000000 | | 2024-01-28 | Kriesel | NF-PP1 | Start=2/7, B1=1100000, B2=190000000 | | 2021-12-27 | curtisc | CERT | Proof certified good | | 2021-12-27 | Kriesel | C-PRP | 155211A1976DE7EA Proof Certified Good
Proof Power: 10
| | 2021-11-30 | LordJulius | NF | no factor TF: 76-77 | | 2019-11-23 | Kriesel | NF-PM1 | B1=3565000, B2=105167500 | | 2018-03-05 | monst | NF | no factor TF: 75-76 | | 2014-12-28 | S. Eichsteininger | C-LL | B3CCD9FB14CBB4__ | | 2013-09-07 | Nathan Edington | NF-PM1 | B1=350000, B2=6037500, E=6 | | 2013-05-04 | Nathan Edington | NF | no factor TF: 74-75 | | 2013-05-03 | Nathan Edington | NF | no factor TF: 73-74 | | 2012-03-02 | firejuggler | NF | no factor TF: 72-73 | | 2012-03-02 | -anonymous- | NF | no factor TF: 71-72 | | 2012-03-02 | -anonymous- | NF | no factor TF: 70-71 | | 2012-03-02 | -anonymous- | NF | no factor TF: 69-70 | | 2012-03-02 | -anonymous- | NF | no factor TF: 68-69 | | 2010-11-29 | Michael C | NF | no factor TF: 67-68 | | 2010-11-19 | Michael C | NF | no factor TF: 66-67 | | 2010-10-24 | Michael C | NF | no factor TF: 65-66 | | 2010-10-17 | wmjmoeller | NF | no factor TF: 64-65 |
|
