Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 156: | \[{22^{156}-1\over21}\] | 3 × 5 × 133 × 23 × 53 × 79 × 97 × 157 × 313 × 463 × 1489 × 2003 × 498733 × 673297 × 1283881 × 1421317 × 36365629 × 21821513533<11> × 85107437663<11> × 2468996151857<13> × 2526873929581<13> × 6165936796469347<16> × 12296089473177511<17> × 8537828742536325458236531<25> × 3570614233579547880105409126275591515610933267649<49> |