Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
134: | \[{7^{134}-1\over6}\] | 23 × 20771 × 228337 × 147300841 × 206244761 × 6557750853567755279<19> × 383942665465635068312581125821527<33> × 10052011757370829033540932021825161<35> |