Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 246: | \[{15^{246}-1\over14}\] | 24 × 83 × 211 × 241 × 1723 × 27061 × 73535551 × 8430332222527<13> × 92923320642619<14> × 114557014359607<15> × 8651199977283439<16> × 1296290182141167360809609737147<31> × 14052995136749824817978552692323583<35> × 1248945668780874865467604288287146622876086867<46> × 44612545556379601866218236511065863857423885983<47> × 8150017155618489012720059546135582435491524581730391<52> |