Last-known PrimeNet details: Exponent is not assigned to anyone 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 | 281 | 1,521.8697 | 64.1975 % | - | - | - | - | 1,521.8697 | 64.1975 % |
Target | 280 | 760.9346 | 63.7500 % | 2000000 | 400000000 | 490.4467 | 4.4141 % | 1,251.3813 | 65.3501 % |
Difference | +1 | +760.9351 | +0.4475 % | -2000000 | -400000000 | -490.4467 | -4.4141 % | +270.4884 | -1.1526 % |
P-1 | GHz-days | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
exponent | factor | digits | bits* | k | date found | min B1 | min B2 | min. TF | min. P-1 | normal P-1 |
321797123 | 1835983980368955949986761 | 25 | 80.603 | 2852704156042060 22 | 2017-04-20 | 967 | 147502800209 | 760.93 | 166,415 | 310,818 |
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 |
Bits | Factor | |||||||
---|---|---|---|---|---|---|---|---|
date | userid | compid | from | to | factor | bits* | digits | GHz-days |
2011-11-07 | carlos56 | foniz | 264 | 265 | 0.012 | |||
2012-04-02 | Never Odd Or Even | Manual testing | 265 | 269 | 0.348 | |||
2012-04-02 | Never Odd Or Even | Manual testing | 269 | 270 | 0.372 | |||
2012-04-19 | Never Odd Or Even | Manual testing | 270 | 271 | 0.743 | |||
2012-04-19 | Never Odd Or Even | Manual testing | 271 | 272 | 1.486 | |||
2012-10-12 | Never Odd Or Even | Manual testing | 272 | 273 | 2.972 | |||
2016-12-06 | mikr | Manual testing | 273 | 274 | 5.945 | |||
2016-12-06 | mikr | Manual testing | 274 | 275 | 11.89 | |||
2016-12-06 | mikr | Manual testing | 275 | 276 | 23.78 | |||
2016-12-08 | mikr | Manual testing | 276 | 277 | 47.56 | |||
2017-04-20 | nranks | Manual testing | 277 | 278 | 95.12 | |||
2017-04-20 | nranks | Manual testing | 278 | 279 | 190.2 | |||
2017-04-20 | nranks | Manual testing | 279 | 280 | 380.5 | |||
2017-04-20 | nranks | Manual testing | 280 | 281 | 80.603 | 25 | 20.01 |