Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
70: | \[{11^{70}-1\over10}\] | 22 × 3 × 5 × 43 × 712 × 211 × 3221 × 7561 × 13421 × 17011 × 45319 × 1623931 × 1649341 × 10047871 × 42437717969530394595211<23> |