Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 343: | \[{3^{343}-1\over2}\] | 491 × 1093 × 4019 × 8233 × 24697 × 51157 × 131713 × 385540919 × 4551588049<10> × 8465728310029191083<19> × 23451446896560788630183<23> × 32312015265609073916797<23> × 675418954880730201146825609892711592084093470945190403<54> |