Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 750: | \[{7^{750}-1\over6}\] | 23 × 3 × 11 × 19 × 31 × 43 × 151 × 191 × 251 × 751 × 2551 × 2801 × 10501 × 23251 × 29251 × 159871 × 1173001 × 6568801 × 492870751 × 8668167751<10> × 6005492312551<13> × 31280679788951<14> × 4833574921448501<16> × 31818863467130251<17> × 79787519018560501<17> × 7021370289199888801<19> × 2182816753758823696751<22> × 7518480999776007258001<22> × 217648180992721729506406538251<30> × 23873305978759492963375702715079458905862501<44> × 5903546678356844440204179342119473011887617239565323800435501<61> × 9749495229710098497186543870986809880214868507743932200504888128751<67> × 16465254873874489290010528135619907554748347604598547658544089997533001<71> × 86936602152829030218067348528749469945302335993943583458341141584606463060223499128351126337281886491649675638049916551314172911193665605933145419628001<152> |