Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 234: | \[{19^{234}-1\over18}\] | 22 × 32 × 5 × 73 × 79 × 127 × 131 × 157 × 199 × 313 × 523 × 599 × 1873 × 2341 × 24103 × 29251 × 29989 × 176021 × 236377 × 291331 × 4459339 × 6083299 × 133338869 × 222971347 × 585710659 × 887960971 × 90742373983<11> × 529668106111<12> × 421451911540236097<18> × 2202409598047314333465675421<28> × 686372217676444216671585638053080198676826927985226057<54> × 2619353762971668460062784319396127525896209375168024382848319254968103<70> |