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 | 277 | 92.0157 | 62.3377 % | 1000000 | 30000000 | 55.6474 | 4.5043 % | 147.6631 | 64.0341 % |
Target | 281 | 1,472.2595 | 64.1975 % | 1900000 | 400000000 | 508.7979 | 4.0323 % | 1,981.0574 | 65.6412 % |
Difference | -4 | -1,380.2438 | -1.8599 % | -900000 | -370000000 | -453.1505 | +0.4720% | -1,833.3943 | -1.6071 % |
P-1 | GHz-days | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
exponent | factor | digits | bits* | k | date found | min B1 | min B2 | min. TF | min. P-1 | normal P-1 |
332640601 | 508522561142950418475351119 | 27 | 88.716 | 764372358055820159 19 | 2021-04-20 | 20123 | 5178941 | 188,449 | 6.4963 | 11.367 |
date | user | comp | B1 | B2 | BS | stage | factor | digits | bits* | GHz-days | Fac Prob |
---|---|---|---|---|---|---|---|---|---|---|---|
2021-04-20 | adamgm | Manual testing | 1000000 | 30000000 | 2 | 27 | 88.716 | 55.65 | 3.096% |
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 |
2010-09-22 | Grant McCracken | thumper | 266 | 267 | 0.045 | |||
2012-03-30 | LaurV | Manual testing | 267 | 269 | 0.270 | |||
2012-03-30 | LaurV | Manual testing | 269 | 270 | 0.359 | |||
2013-01-29 | LaurV | Manual testing | 270 | 271 | 0.719 | |||
2013-03-10 | LaurV | Manual testing | 271 | 272 | 1.438 | |||
2013-09-13 | america64 | Manual testing | 272 | 273 | 2.876 | |||
2015-07-24 | James Heinrich | Manual testing | 273 | 274 | 5.751 | |||
2016-03-08 | srow7 | Manual testing | 274 | 275 | 11.50 | |||
2020-05-26 | George Woltman | GPU72_TF | 275 | 276 | 23.00 | |||
2020-10-18 | bayanne | GPU72_TF | 276 | 277 | 46.01 |