is 2 3321930769 - 1 has 1000000805 decimal digits takes 703,411.151 GHz-days to do one PRP test Part of Operation Billion Digit (OBD) | 0 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 | 280 | 73.7121 | 60.0000% | - | - | - | - | 73.7121 | 60.0000% |
Target | 291 | 150,962.5312 | 64.8352% | 17000000 | 8000000000 | 138,759.7403 | 4.2997% | 289,722.2715 | 66.3471% |
Difference | -11 | -150,888.8191 | -4.8352% | -17000000 | -8000000000 | -138,759.7403 | -4.2997% | -289,648.5594 | -6.3471% |
P-1 | GHz-days | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
exponent | factor | digits | bits* | k | date found | min B1 | min B2 | min. TF | min. P-1 | normal P-1 |
3321930769 | 292329907673 | 12 | 38.089 | 44 22 | 2004-08-28 | 4 | 11 | 1.218e-11 | 0.0013 | 0.0025 |
3321930769 | 637810707649 | 12 | 39.214 | 96 25 | 2004-08-28 | 32 | 32 | 2.709e-11 | 0.0098 | 0.0200 |
3321930769 | 436999992661951 | 15 | 48.635 | 65775 3 | 2004-08-28 | 25 | 877 | 1.814e-8 | 0.0219 | 0.0274 |
3321930769 | 209468669793156239 | 18 | 57.540 | 31528151 31528151 | 2006-11-15 | 1 | 31528151 | 5.931e-6 | 527.41 | 985.05 |
3321930769 | 244274728808241085841 | 21 | 67.727 | 36766980680 23 | 2007-01-15 | 29 | 31695673 | 0.0107 | 530.22 | 990.28 |
Bits | Factor | GHz-Days | worth | |||||||
---|---|---|---|---|---|---|---|---|---|---|
date | userid | compid | from | to | factor | bits* | digits | spent | saved | |
2004-08-28 | Uncwilly | OBD | 238 | 239 | 38.089 | 12 | 1.15483e-12 | 1,430,740 | 18.86 | |
2004-08-28 | Uncwilly | OBD | 239 | 240 | 39.214 | 12 | 5.03924e-12 | 1,430,740 | 18.86 | |
2004-08-28 | Uncwilly | OBD | 248 | 249 | 48.635 | 15 | 6.85336e-9 | 192,793 | 1.44198e-8 | |
2006-11-15 | Rde | OBD | 257 | 258 | 57.540 | 18 | 1.51365e-7 | 192,793 | 3.18479e-7 | |
TF systematically completed to 64 but no per-exponent detailed record exists | ||||||||||
2007-01-15 | PatrickSchmeer | OBD | 267 | 268 | 67.727 | 21 | 0.002 | 1,430,740 | 0.035 | |
2022-03-22 | slaur | sekunda-rtx2060 | 264 | 268 | 67.727 | 21 | 0.017 | 1,430,740 | 0.035 | |
2010-05-07 | Luigi Morelli | OBD | 269 | 271 | - | - | - | - | - | |
2012-09-12 | Åke Tilander | 274 | 275 | - | - | 1.152 | - | - | ||
2012-09-12 | Åke Tilander | 275 | 276 | - | - | 2.304 | - | - | ||
2012-09-12 | Åke Tilander | 276 | 277 | - | - | 4.607 | - | - | ||
2022-03-02 | firejuggler | GTX1660 | 277 | 278 | 38.089 | 12 | 9.214 | 1,430,740 | 18.86 | |
2022-03-02 | firejuggler | GTX1660 | 277 | 278 | 39.214 | 12 | 9.214 | 1,430,740 | 18.86 | |
2012-09-12 | Åke Tilander | 278 | 279 | - | - | 18.43 | - | - | ||
2012-09-12 | Åke Tilander | 279 | 280 | - | - | 36.86 | - | - |