Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 36: | \[{18^{36}-1\over17}\] | 52 × 73 × 13 × 19 × 372 × 73 × 229 × 307 × 457 × 991 × 25309 × 34327 × 465841 × 33388093 |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 36: | \[{18^{36}-1\over17}\] | 52 × 73 × 13 × 19 × 372 × 73 × 229 × 307 × 457 × 991 × 25309 × 34327 × 465841 × 33388093 |