Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 407: | \[{25^{407}-1\over24}\] | 23 × 67 × 149 × 5281 × 9103 × 24421 × 488401 × 12207031 × 29010221 × 13971969971<11> × 73108132021<11> × 8737481256739<13> × 45920153384867<14> × 706404287882271194070912641<27> × 26337873665845235353307452756064083<35> × 419923501988747088508592525569165716040432773229<48> × 1831624093469896059585392913448001336186533664336817868177406126080360001095210839136872428958423781084876599357252745850131403<127> × 13948519478190639299602198018682590892580808922858455797802631911640198009616124815568536121883226419019923030906131988973318718002668179882223592273702054601315779437674801425715780621966607518027021452367523127964528556542445237819143284900404701<248> |