Base 24 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
64: | \[{24^{64}-1\over23}\] | 52 × 17 × 193 × 449 × 577 × 2801 × 331777 × 349409 × 2311681 × 2356609 × 76243169 × 12234999233<11> × 1377485825682881<16> × 19400919276088001<17> |