Base 30 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
43: | \[{30^{43}-1\over29}\] | 947 × 1291 × 10704969713<11> × 638061101267<12> × 86600623517971<14> × 156520419366000909683<21> |