Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
48: | \[{25^{48}-1\over24}\] | 24 × 3 × 7 × 13 × 17 × 31 × 97 × 313 × 601 × 2593 × 11489 × 390001 × 29423041 × 152587500001<12> × 240031591394168814433<21> |