Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
113: | \[{5^{113}-1\over4}\] | 2939 × 6329 × 129499 × 308491 × 304247586761<12> × 2084303944451<13> × 620216264269531<15> × 8237123176890810696379<22> |