Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 642: | \[{3^{642}-1\over2}\] | 22 × 7 × 13 × 643 × 3853 × 6421 × 50077 × 100153 × 229837 × 2428745707 × 6961772887<10> × 121796293627<12> × 1276775957917<13> × 64343166735091<14> × 8459752648176649<16> × 48965028505045123993421250406516036571557<41> × 161902816442869803284454722064488502231637<42> × 4375617272295428356111030724847180250451293<43> × 3093775405140043883292950219372796456737513003762298030441588628306854600509966509<82> |