Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
70: | \[{7^{70}-1\over6}\] | 23 × 11 × 29 × 71 × 113 × 191 × 421 × 911 × 2801 × 4733 × 12128131 × 603926681 × 2127431041 × 77192844961<11> |