n!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 361: | \[361!!+1\] | 2 × 71161 × 8657652931<10> × 965258027803<12> × 46209764803529<14> × 199519322138401<15> × 600762813640593379561<21> × 24189783341125565504368921<26> × 29308641744295993786220496268394707081804535958199933321970936252079604582534403436792092430297909238901935839316201342832327682282882775154415679935790642047131449918184384981813849617293516186012819848948135615423381184204655811414925670569885144936535189147937209289339966583674569<284> |