Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
72: | \[{11^{72}-1\over10}\] | 24 × 33 × 7 × 13 × 19 × 37 × 61 × 73 × 1117 × 7321 × 10657 × 20113 × 40177 × 590077 × 1772893 × 3138426605161<13> × 3358335487319458201<19> |