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 | 183.8289 | 62.8205 % | 2521000 | 2521000 | 54.3748 | 2.3355 % | 238.2037 | 63.6888 % |
Target | 281 | 1,470.6346 | 64.1975 % | 1900000 | 400000000 | 508.7979 | 4.0328 % | 1,979.4324 | 65.6414 % |
Difference | -3 | -1,286.8057 | -1.3770 % | +621000 | -397479000 | -454.4231 | -1.6973 % | -1,741.2288 | -1.9525 % |
P-1 | GHz-days | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
exponent | factor | digits | bits* | k | date found | min B1 | min B2 | min. TF | min. P-1 | normal P-1 |
333008153 | 54895632584589629853223891153 | 29 | 95.471 | 82423856728501223592 23 | 2020-12-19 | 241259 | 1247959 | 24,094,885 | 6.3867 | 10.590 |
date | user | comp | B1 | B2 | BS | stage | factor | digits | bits* | GHz-days | Fac Prob |
---|---|---|---|---|---|---|---|---|---|---|---|
2020-12-19 | Chelle | PC1__2x__Xeon6142 | 2521000 | 2521000 | 1 | 29 | 95.471 | 54.37 | 1.715% |
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 |
2010-09-08 | Architects Cubed | a3_bu2 | 264 | 265 | 0.011 | |||
2010-11-02 | Architects Cubed | m1_49 | 265 | 266 | 0.022 | |||
2011-11-28 | lalera | Manual testing | 266 | 267 | 0.045 | |||
2011-11-29 | lalera | Manual testing | 267 | 268 | 0.090 | |||
2011-12-04 | lalera | Manual testing | 268 | 269 | 0.180 | |||
2011-12-04 | lalera | Manual testing | 269 | 270 | 0.359 | |||
2011-12-04 | lalera | Manual testing | 270 | 271 | 0.718 | |||
2013-01-13 | LaurV | Manual testing | 271 | 272 | 1.436 | |||
2016-08-05 | Carsten Kossendey | Manual testing | 272 | 273 | 2.872 | |||
2016-08-05 | Carsten Kossendey | Manual testing | 273 | 274 | 5.745 | |||
2019-12-26 | ViliamF | Manual testing | 274 | 275 | 11.49 | |||
2020-02-26 | David Hruska | Manual testing | 275 | 276 | 22.98 | |||
2020-05-19 | Kriesel | Manual testing | 276 | 277 | 45.96 | |||
2020-05-19 | Kriesel | Manual testing | 277 | 278 | 91.91 |