Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 308: | \[{25^{308}-1\over24}\] | 22 × 13 × 23 × 29 × 67 × 89 × 313 × 449 × 617 × 5281 × 8009 × 19531 × 12207031 × 40987409 × 234750601 × 527093491 × 20828886541<11> × 1030330938209<13> × 8090594434231<13> × 74353801974761<14> × 59509429687890001<17> × 162715052426691233701<21> × 9080418348371887359375390001<28> × 49970061516036179615325895945741<32> × 32055453100953226693356769870396390709614670948349354111761<59> × 918777164237523815544333307233113800383707174099121908224307662046642454495563069460625496563352506459389026834416749404351543090197511003280649598585245481766216953<165> |