is 2 3321933679 - 1 has 1000001681 decimal digits takes 703,411.767 GHz-days to do one PRP test Part of Operation Billion Digit (OBD) | -unknown- primality tests remaining
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Trial Factoring | P-1 Factoring | Combined | |||||||
---|---|---|---|---|---|---|---|---|---|
Limit | GHz-days | Probability | B1 | B2 | GHz-days | Probability | GHz-days | Probability | |
Actual | 285 | 2,358.7874 | 62.3529% | - | - | - | - | 2,358.7874 | 62.3529% |
Target | 291 | 150,962.3989 | 64.8352% | 17000000 | 5000000000 | 88,575.5389 | 4.2997% | 239,537.9379 | 66.3471% |
Difference | -6 | -148,603.6115 | -2.4822% | -17000000 | -5000000000 | -88,575.5389 | -4.2997% | -237,179.1505 | -3.9942% |
Bits | Factor | GHz-Days | worth | |||||||
---|---|---|---|---|---|---|---|---|---|---|
date | userid | compid | from | to | factor | bits* | digits | spent | saved | |
2021-10-19 | Caleb B | Manual testing | 264 | 265 | - | - | 0.001 | - | - | |
2007-04-02 | PatrickSchmeer | OBD | 260 | 266 | - | - | - | - | - | |
2007-04-28 | PatrickSchmeer | OBD | 266 | 271 | - | - | - | - | - | |
2021-09-28 | Caleb B | Manual testing | 265 | 272 | - | - | 0.286 | - | - | |
2009-05-19 | lfm | 272 | 273 | - | - | - | - | - | ||
2009-05-20 | lfm | 272 | 278 | - | - | 18.14 | - | - | ||
2022-03-02 | firejuggler | GTX1660 | 278 | 279 | - | - | 18.43 | - | - | |
2022-03-02 | firejuggler | GTX1660 | 279 | 280 | - | - | 36.86 | - | - | |
2022-03-02 | firejuggler | GTX1660 | 280 | 281 | - | - | 73.71 | - | - | |
2011-06-09 | lavalamp | OBD | 281 | 282 | - | - | - | - | - | |
2011-06-17 | lavalamp | OBD | 282 | 283 | - | - | - | - | - | |
2019-12-05 | Luigi Morelli | 9800X | 283 | 284 | - | - | 589.7 | - | - | |
2022-05-24 | ramgeis | r4mg31s | 284 | 285 | - | - | 1,179 | - | - |