Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 664: | \[{3^{664}-1\over2}\] | 24 × 5 × 41 × 167 × 499 × 997 × 12119 × 2466097 × 2591261 × 1036745531 × 6956557366277<13> × 950996059627210897943351<24> × 813201725710097952736361977<27> × 88353295700662823099667599460762780905604112393714626601849<59> × 458427808464599360198958190584523975568577060978636244306691569817<66> × 6747948513126009161602544016133565454877350460460043595370411227698440127256089215249011193<91> |