Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
92: | \[{5^{92}-1\over4}\] | 22 × 3 × 13 × 47 × 8971 × 332207361361<12> × 42272797713043<14> × 5465713352000770660547109750601<31> |