Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 49: | \[{15^{49}-1\over14}\] | 72 × 1743463 × 5706541 × 10164071 × 4175288799599<13> × 14675999570738648605387<23> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 49: | \[{15^{49}-1\over14}\] | 72 × 1743463 × 5706541 × 10164071 × 4175288799599<13> × 14675999570738648605387<23> |