Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
123: | \[{19^{123}-1\over18}\] | 3 × 127 × 11071 × 10654507 × 11713456133<11> × 11951068054199383402102234839038071<35> × 170876937424105800417423610387778698531989484369093813717803557108789137779085541034325706835840031<99> |