Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 55: | \[{15^{55}-1\over14}\] | 112 × 67 × 463 × 2333 × 4931 × 8537 × 1011671 × 9273757272736041033417670310849312570581<40> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 55: | \[{15^{55}-1\over14}\] | 112 × 67 × 463 × 2333 × 4931 × 8537 × 1011671 × 9273757272736041033417670310849312570581<40> |