Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
100: | \[{15^{100}-1\over14}\] | 25 × 11 × 31 × 101 × 113 × 1531 × 1801 × 4931 × 19421 × 46751 × 115201 × 131381 × 9555151 × 34800625873379851<17> × 7112705843777290751<19> × 5276658969583784209292870346873232901<37> |