is 2 3321931043 - 1 has 1000000888 decimal digits takes 703,411.209 GHz-days to do one PRP test Part of Operation Billion Digit (OBD) | Exponent is not assigned to anyone -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 | 288 | 18,870.3148 | 63.6364 % | - | - | - | - | 18,870.3148 | 63.6364 % |
Target | 291 | 150,962.5187 | 64.8352 % | 17000000 | 5000000000 | 88,575.5389 | 4.2997 % | 239,538.0577 | 66.3471 % |
Difference | -3 | -132,092.2039 | -1.1988 % | -17000000 | -5000000000 | -88,575.5389 | -4.2997 % | -220,667.7429 | -2.7108 % |
57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 |
Bits | Factor | |||||||
---|---|---|---|---|---|---|---|---|
date | userid | compid | from | to | factor | bits* | digits | GHz-days |
2024-01-22 | frmky | a40 | 21 | 268 | 0.018 | |||
2005-01-17 | Hemster | OBD | 270 | 271 | ||||
2021-09-28 | Caleb B | Manual Testing | 265 | 272 | 0.286 | |||
2009-06-10 | byroz | 272 | 275 | |||||
2011-02-03 | firejuggler | Manual testing | 275 | 276 | ||||
2011-02-09 | firejuggler | Manual testing | 276 | 277 | ||||
2011-02-26 | firejuggler | Manual testing | 277 | 278 | ||||
2011-02-26 | firejuggler | Manual testing | 278 | 279 | ||||
2011-09-16 | Christenson | 279 | 280 | |||||
2011-09-20 | lavalamp | OBD | 280 | 281 | ||||
2011-09-29 | lavalamp | OBD | 281 | 282 | ||||
2012-09-14 | Åke Tilander | 282 | 283 | |||||
2012-09-14 | Åke Tilander | 283 | 284 | |||||
2012-09-14 | Åke Tilander | 284 | 285 | |||||
2020-02-27 | ET_ | 9800X | 285 | 286 | 2,359 | |||
2020-04-16 | ET_ | 9800X | 286 | 287 | 4,718 | |||
2022-08-26 | kriesel | condorette-gtx1650 | 287 | 288 | 9,435 |