| 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 | 189,015 | 2,316,392 | 8,499,982 | 186,238 | 2,777 | 15 | 8,397,410 | 8,400,590 | 2 |
| 27*2^n-1 | 182,865 | 2,315,444 | 8,499,997 | 179,274 | 3,591 | 30 | 8,395,780 | 8,400,553 | 4 |
