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Proth numbers of the form k•5n+1 with no prime value so far
Proth numbers k•5n+1 where no prime values are known.
Table
There are 27 sequences in this Wiki:
| k | Nash | Max n |
|---|---|---|
| 6436 | 561 | 5431277 |
| 7528 | 332 | 5431277 |
| 10918 | 299 | 5431277 |
| 26798 | 417 | 5431277 |
| 31712 | 308 | 5431277 |
| 36412 | 460 | 5431277 |
| 41738 | 647 | 5431277 |
| 44348 | 521 | 5431277 |
| 44738 | 766 | 5431277 |
| 45748 | 503 | 5431277 |
| 58642 | 302 | 5431277 |
| 60394 | 368 | 5431277 |
| 62698 | 743 | 5431277 |
| 64258 | 453 | 5431277 |
| 67748 | 305 | 5431277 |
| 71492 | 232 | 5431277 |
| 74632 | 570 | 5431277 |
| 76724 | 430 | 5431277 |
| 83936 | 436 | 5431277 |
| 84284 | 351 | 5431277 |
| 90056 | 375 | 5431277 |
| 92906 | 327 | 5431277 |
| 93484 | 649 | 5431277 |
| 105464 | 551 | 5431277 |
| 126134 | 178 | 5431277 |
| 139196 | 284 | 5431277 |
| 152588 | 545 | 5431277 |
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