Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
90: | \[{6^{90}-1\over5}\] | 5 × 7 × 11 × 19 × 31 × 43 × 101 × 311 × 1171 × 1201 × 2161 × 2467 × 46441 × 112771 × 1950271 × 19353635731<11> × 4760317816590150361<19> |