Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 47: | \[{15^{47}-1\over14}\] | 283 × 659 × 2351 × 6299 × 183959 × 2656097495066872027407960633754824283<37> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 47: | \[{15^{47}-1\over14}\] | 283 × 659 × 2351 × 6299 × 183959 × 2656097495066872027407960633754824283<37> |