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Difference between revisions of "NPLB K300 Drive 1"
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Revision as of 16:24, 5 March 2025
Overview
NPLB K300 Drive 1 - This drive is done.
| Project | No Prime Left Behind |
| Drive name | NPLB K300 Drive 1 |
| Purpose | Search for Riesel primes for many k's < 300 and n = 2000000 - 3000000 |
| Date start | 2024-04-23 |
| Date end | 2025-03-05 |
| k-values | 77 - 299 |
| n-range | 2000000 - 3000000 |
| Primes found | 63 new, 6 confirmed |
| Link | Thread at MersenneForum |
k-history
- 2024-04-23: k = 91, 95, 163, 207, 209, 213, 221, 237, 247, 249, 251, 255, 261, 263, 267, 273, 277, 279, 281, 285, 287, 289, 291, 293, 297, 299
- 2024-04-26: added k = 77, 85 at n = 2100000
- 2024-05-05: added k = 203, 205, 219, 227, 235, 257, 259, 275, 295 at n = 2200000
- 2024-05-15: added k = 115, 117, 123, 129-149, 153-161, 171-189, 245 at n = 2300000
- currently k = 77, 85, 91, 95, 115, 117, 123, 129-149, 153-163, 171-189,
- 203-209, 213, 219, 221, 227, 235, 237, 245-251, 255-263, 267, 273-281, 285-299
n-history
- n = 2000000 - 3000000
Sieve history
Reservation history
Primes table
The data file can be found here.
| k-value | Nash | Candidates | n-range | # primes | prime(s) for n (C=confirmed)
|
|---|---|---|---|---|---|
| 77 | 1700 | 25652 | 2100000-3000000 | 4 | 2363352, 2387116, 2448152, 2505854 |
| 85 | 921 | 12993 | 2100000-3000000 | 1 | 2352083 |
| 91 | 2374 | 40004 | 2000000-3000000 | 2 | 2407249, 2494467 |
| 95 | 1490 | 23927 | 2000000-3000000 | 0 | |
| 115 | 1954 | 23339 | 2300000-3000000 | 3 | 2415271, 2454363, 2762111 |
| 117 | 3581 | 41577 | 2300000-3000000 | 1 | 2908312 |
| 123 | 2133 | 24309 | 2300000-3000000 | 1 | 2583362 |
| 129 | 2753 | 31870 | 2300000-3000000 | 1 | 2452892 |
| 131 | 1065 | 12695 | 2300000-3000000 | 0 | |
| 133 | 1442 | 17018 | 2300000-3000000 | 1 | 2658587 |
| 135 | 2322 | 27479 | 2300000-3000000 | 0 | |
| 137 | 1109 | 12456 | 2300000-3000000 | 1 | 2626238 |
| 139 | 2586 | 29847 | 2300000-3000000 | 1 | 2751839 |
| 141 | 1901 | 22041 | 2300000-3000000 | 0 | |
| 143 | 2243 | 25489 | 2300000-3000000 | 1 | 2400710 |
| 145 | 1098 | 12871 | 2300000-3000000 | 0 | |
| 147 | 2806 | 32259 | 2300000-3000000 | 1 | 2993165 |
| 149 | 1022 | 11650 | 2300000-3000000 | 0 | |
| 153 | 3189 | 36753 | 2300000-3000000 | 3 | 2522271, 2581916, 2654686 |
| 155 | 1317 | 15416 | 2300000-3000000 | 0 | |
| 157 | 917 | 10557 | 2300000-3000000 | 0 | |
| 159 | 2237 | 25239 | 2300000-3000000 | 0 | |
| 161 | 1273 | 15038 | 2300000-3000000 | 1 | 2373286 |
| 163 | 737 | 12390 | 2000000-3000000 | 0 | |
| 171 | 2674 | 30792 | 2300000-3000000 | 0 | |
| 173 | 1999 | 23394 | 2300000-3000000 | 1 | 2897448 |
| 175 | 1792 | 20594 | 2300000-3000000 | 2 | 2553699, 2637399 |
| 177 | 1622 | 18865 | 2300000-3000000 | 0 | |
| 179 | 779 | 8971 | 2300000-3000000 | 0 | |
| 181 | 2940 | 34675 | 2300000-3000000 | 1 | 2570921 |
| 183 | 1685 | 20005 | 2300000-3000000 | 2 | 2433172, 2626880 |
| 185 | 2161 | 24908 | 2300000-3000000 | 0 | |
| 187 | 1158 | 13011 | 2300000-3000000 | 1 | 2896841 |
| 189 | 2793 | 32738 | 2300000-3000000 | 2 | 2730633, 2762731 |
| 203 | 1687 | 22623 | 2200000-3000000 | 3 | 2222744, 2595752, 2935338 |
| 205 | 1351 | 18921 | 2200000-3000000 | 2 | 2559417, 2747571 |
| 207 | 1798 | 31592 | 2000000-3000000 | 1 | 2212517 |
| 209 | 998 | 16292 | 2000000-3000000 | 1 | 2510308 |
| 213 | 2538 | 41915 | 2000000-3000000 | 4 | 2064426 C, 2277870 C, 2328530 C, 2493004 C |
| 219 | 1069 | 13880 | 2200000-3000000 | 0 | |
| 221 | 418 | 7431 | 2000000-3000000 | 0 | |
| 227 | 2550 | 33310 | 2200000-3000000 | 1 | 2462914 |
| 235 | 1563 | 20938 | 2200000-3000000 | 1 | 2227565 |
| 237 | 2404 | 40431 | 2000000-3000000 | 1 | 2627713 |
| 245 | 1419 | 17380 | 2300000-3000000 | 0 | |
| 247 | 363 | 5977 | 2000000-3000000 | 0 | |
| 249 | 1592 | 25514 | 2000000-3000000 | 1 | 2001627 C |
| 251 | 417 | 7417 | 2000000-3000000 | 0 | |
| 255 | 3297 | 55294 | 2000000-3000000 | 1 | 2010691 |
| 257 | 1867 | 25431 | 2200000-3000000 | 0 | |
| 259 | 1561 | 20908 | 2200000-3000000 | 0 | |
| 261 | 2394 | 40462 | 2000000-3000000 | 1 | 2707551 |
| 263 | 1215 | 19595 | 2000000-3000000 | 0 | |
| 267 | 2205 | 37099 | 2000000-3000000 | 3 | 2640554, 2792074, 2902469 |
| 273 | 3029 | 50462 | 2000000-3000000 | 1 | 2024810 C |
| 275 | 1581 | 21545 | 2200000-3000000 | 1 | 2679936 |
| 277 | 865 | 14041 | 2000000-3000000 | 0 | |
| 279 | 2345 | 38639 | 2000000-3000000 | 0 | |
| 281 | 937 | 15706 | 2000000-3000000 | 0 | |
| 285 | 3331 | 54916 | 2000000-3000000 | 4 | 2110099, 2138174, 2570839, 2728979 |
| 287 | 1307 | 21316 | 2000000-3000000 | 3 | 2054534, 2197108, 2697536 |
| 289 | 1642 | 29651 | 2000000-3000000 | 1 | 2118129 |
| 291 | 1969 | 32394 | 2000000-3000000 | 2 | 2071142, 2725533 |
| 293 | 1483 | 23718 | 2000000-3000000 | 1 | 2791482 |
| 295 | 1266 | 15787 | 2200000-3000000 | 3 | 2242469, 2463785, 2663855 |
| 297 | 2974 | 50449 | 2000000-3000000 | 2 | 2778276, 2937584 |
| 299 | 1199 | 20662 | 2000000-3000000 | 0 |
Notes
No Prime Left Behind
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