n! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 56: | \[56!+1\] | 55921523591<11> × 34952079265361<14> × 6906986766519639105975269<25> × 52665729267391392637197179<26> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 56: | \[56!+1\] | 55921523591<11> × 34952079265361<14> × 6906986766519639105975269<25> × 52665729267391392637197179<26> |