Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
443: | \[{3^{443}-1\over2}\] | 887 × 298583 × 44457709 × 213177803 × 39035565972229475013089333692179660570470638499946800742936602098518439852516325639<83> × 118180985337039190164031460228647860270873933725280744164009394430170947299421810654160072913290679762501<105> |