Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
56: | \[{11^{56}-1\over10}\] | 24 × 3 × 29 × 43 × 61 × 113 × 449 × 1933 × 2521 × 7321 × 45319 × 1623931 × 55527473 × 77001139434480073<17> |