n# + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
72: | \[359\#+1\] | 11041477 × 15329443 × 40829741150863579<17> × 179124080758411776021912407933366040466777179234105959669<57> × 26775294714427093707672113583710320686632583467959421473031<59> |