Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 335: | \[{3^{335}-1\over2}\] | 112 × 221101 × 441019876741<12> × 475384700124973<15> × 2791110259168381<16> × 218742867755426762311941219108310088458792042613637623789553431857170623561390378292171945441992861442756206821<111> |