Base 36 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
56: | 7 × 17 × 29 × 37 × 113 × 197 × 281 × 337 × 421 × 617 × 1297 × 4817 × 55987 × 98801 × 4048129 × 5030761 × 81035189089<11> × 10189440239012883075423169<26> |