Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 45: | \[{18^{45}-1\over17}\] | 73 × 31 × 41 × 601 × 991 × 2711 × 34327 × 558721 × 1338029376807245057016053427001<31> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 45: | \[{18^{45}-1\over17}\] | 73 × 31 × 41 × 601 × 991 × 2711 × 34327 × 558721 × 1338029376807245057016053427001<31> |