Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 831: | \[{3^{831}-1\over2}\] | 13 × 9973 × 15801743 × 30923173 × 319230313 × 478803193369<12> × 807232901286531227602895051093433509727524980513<48> × 3131122261990047725614066743039336634526968903348045849<55> × 96093835737198987630852488215668046851137095982583744906497662037435603571748141245792156421257518028298294596143<113> × 653610302162921363638156496337162373992416086890061128999503266570146180234798384595762993380998517095127452663764529165354185343050985872009<141> |