Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
92: | \[{15^{92}-1\over14}\] | 25 × 47 × 113 × 277 × 829 × 2393 × 6257 × 31741 × 81421 × 488153 × 825287 × 132653513 × 3549551867 × 40193672100977<14> × 3046462151831565769<19> × 3230238627505403797<19> |