Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 130: | \[{6^{130}-1\over5}\] | 5 × 7 × 11 × 53 × 101 × 131 × 311 × 937 × 3433 × 11831 × 37571 × 760891 × 1420901 × 49398961 × 22533649654910414281<20> × 199930782298483523040584108028862541<36> |