Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 554: | \[{3^{554}-1\over2}\] | 22 × 13297 × 15801743 × 478803193369<12> × 43035232876181345838699618577<29> × 101071313380773599319140923347831746047<39> × 6285239492015788390965505226507867427477299140885418868744787<61> × 96093835737198987630852488215668046851137095982583744906497662037435603571748141245792156421257518028298294596143<113> |