Base 24 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
55: | \[{24^{55}-1\over23}\] | 67 × 7349 × 346201 × 434501 × 134367047 × 340245936911<12> × 105562680440614871<18> × 992366694093342427421<21> |