Base 4 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 697: | \[{4^{697}-1\over3}\] | 83 × 13367 × 16729 × 43691 × 107339 × 131071 × 246739 × 164511353 × 234292369 × 8831418697<10> × 995911976881150379710251245959795777578773753<45> × 1374033378873353068146291032500691255100117563<46> × 805959916983730700566364703189709050501228756359268073910973321274537475640514272641<84> × 136364260462350955061807337963242197493167687688479364067250955475008708422731598707787831617704017498828261921599586128766571055323409303455188555673114202934877515988195740967406991575319<189> |