Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 55: | \[{12^{55}-1\over11}\] | 11 × 23 × 5281 × 22621 × 266981089 × 442434513819541<15> × 5766308324790114380136001<25> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 55: | \[{12^{55}-1\over11}\] | 11 × 23 × 5281 × 22621 × 266981089 × 442434513819541<15> × 5766308324790114380136001<25> |