Base 24 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
49: | \[{24^{49}-1\over23}\] | 29 × 197 × 239 × 28771 × 125931208613032365313<21> × 375208401495468589864079420661814541<36> |