Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 195: | \[{19^{195}-1\over18}\] | 3 × 31 × 79 × 127 × 151 × 157 × 211 × 599 × 911 × 29251 × 96851 × 2460181 × 38324521 × 52356721 × 133338869 × 153079681 × 887960971 × 421451911540236097<18> × 3308278256026098301966428613621<31> × 764224739004587705859669872633651<33> × 183722040121593137136354204016642530054818342052000503767248387202667914876853107128392917021<93> |