Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 68: | \[{10^{68}-1\over9}\] | 11 × 101 × 103 × 4013 × 2071723 × 28559389 × 1491383821 × 5363222357<10> × 21993833369<11> × 2324557465671829<16> |