| form | total | min n | max n | tested | untested | in progress | completed | lead | primes |
|---|---|---|---|---|---|---|---|---|---|
| 121*2^n+1 | 0 | 2,316,392 | 3,999,955 | 0 | 0 | 0 | 3,830,099 | 0 | 0 |
| 27*2^n+1 | 200,321 | 2,316,392 | 8,899,970 | 196,631 | 3,690 | 36 | 8,763,224 | 8,770,504 | 2 |
| 27*2^n-1 | 196,475 | 2,315,444 | 8,899,994 | 191,974 | 4,501 | 62 | 8,762,461 | 8,770,553 | 4 |
