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 | 278 | 184.1547 | 62.8205 % | 2516000 | 2516000 | 54.2670 | 2.3333 % | 238.4216 | 63.6880 % |
Target | 281 | 1,473.2411 | 64.1975 % | 1900000 | 400000000 | 508.7979 | 4.0320 % | 1,982.0390 | 65.6411 % |
Difference | -3 | -1,289.0864 | -1.3770 % | +616000 | -397484000 | -454.5309 | -1.6987 % | -1,743.6174 | -1.9531 % |
P-1 | GHz-days | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
exponent | factor | digits | bits* | k | date found | min B1 | min B2 | min. TF | min. P-1 | normal P-1 |
332418971 | 1428452708621241725617799 | 25 | 80.241 | 2148572785006969 953 | 2020-12-27 | 13183 | 156467 | 736.62 | 0.4527 | 0.5787 |
date | user | comp | B1 | B2 | BS | stage | factor | digits | bits* | GHz-days | Fac Prob |
---|---|---|---|---|---|---|---|---|---|---|---|
2020-12-27 | Simon Josefsson | gran | 2516000 | 2516000 | 1 | 25 | 80.241 | 54.27 | 1.713% |
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 |
2011-04-08 | rduerr | Manual testing | 267 | 269 | 0.270 | |||
2011-04-08 | rduerr | Manual testing | 269 | 270 | 0.360 | |||
2011-04-08 | rduerr | Manual testing | 270 | 271 | 0.719 | |||
2013-03-01 | kracker | Manual testing | 271 | 272 | 1.439 | |||
2013-05-02 | kracker | Manual testing | 272 | 273 | 2.877 | |||
2015-02-06 | Xebecer | Manual testing | 273 | 274 | 5.755 | |||
2016-04-13 | srow7 | Manual testing | 274 | 275 | 11.51 | |||
2019-03-22 | Andrew B | Manual testing | 275 | 276 | 23.02 | |||
2019-04-10 | alex | Manual testing | 276 | 277 | 46.04 | |||
2019-04-10 | alex | Manual testing | 277 | 278 | 92.08 |