Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 266: | \[{15^{266}-1\over14}\] | 24 × 7 × 229 × 2927 × 13757 × 149759 × 229027 × 780179 × 1743463 × 4272113 × 10678711 × 370649274902657<15> × 439799488353587<15> × 1398959405431547<16> × 18536510212629000707955547<26> × 2181105157226630896811634572981263<34> × 8989060546826028227815418496714456884452802834213083<52> × 2714293859427356519150702535978486876606718721583282377459728611857659395496823196766976473113078601360722589<109> |