Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
48: | \[{19^{48}-1\over18}\] | 25 × 3 × 5 × 73 × 132 × 17 × 127 × 181 × 241 × 577 × 769 × 1009 × 3833 × 4297 × 4657 × 14929 × 15073 × 29569 × 563377 × 3952393 |