Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 327: | \[{3^{327}-1\over2}\] | 13 × 1091 × 122953 × 1340701 × 521402591 × 3499901929 × 55471745029<11> × 239789806103<12> × 10624346875389299603<20> × 714322353831283890903559265735120995717<39> × 1211861655828944988757424113641129373886149<43> |