Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 258: | \[{25^{258}-1\over24}\] | 2 × 3 × 7 × 13 × 31 × 173 × 601 × 1549 × 9547 × 18471511 × 56175373 × 327845761 × 558801427 × 1420986601 × 1644512641 × 7866608083<10> × 1628744948329<13> × 2171388367013<13> × 172827552198815888791<21> × 43955934961951833386625799<26> × 51349797354047205216257689<26> × 236419892853700126919767791480523<33> × 132331554743163541916284364878460504933118649<45> × 4602103796185414861907092047176726769629261949140369401<55> × 10751372263597693323197191948943421482771809119300449437<56> |