Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
72: | \[{10^{72}-1\over9}\] | 32 × 7 × 11 × 13 × 19 × 37 × 73 × 101 × 137 × 3169 × 9901 × 52579 × 98641 × 333667 × 99990001 × 999999000001<12> × 3199044596370769<16> |