Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
148: | \[{19^{148}-1\over18}\] | 23 × 5 × 149 × 181 × 593 × 1009361 × 3849970177 × 3588174588084451<16> × 19406602558617444383054581<26> × 21406757809476033811281103559<29> × 10300379826060720504760427912621791994517454717<47> × 2621499681069932048839478858359689009641643288781<49> |