Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
235: | \[{3^{235}-1\over2}\] | 112 × 1223 × 5171 × 21997 × 5112661 × 11321831 × 96656723 × 1287586151 × 30168205545535224185322498361<29> × 1816324897099196693903839041516429235091<40> |