Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 39: | \[{19^{39}-1\over18}\] | 3 × 79 × 127 × 157 × 599 × 29251 × 133338869 × 887960971 × 421451911540236097<18> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 39: | \[{19^{39}-1\over18}\] | 3 × 79 × 127 × 157 × 599 × 29251 × 133338869 × 887960971 × 421451911540236097<18> |