Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 989: | \[{3^{989}-1\over2}\] | 47 × 431 × 1979 × 2243053 × 1001523179 × 288466184970510853<18> × 341123106949973329<18> × 380808546861411923<18> × [1105749426403538716332125311429290507733236525053277690000604675688258004751479761374657997491596110106223450564723123065217166198569079416273925108069073743950763076472487637495093416992672753149211434062475122956413083786624798620144442322100494401072051901151665308838588210508624576170835648869107302055750569867927550943963707619405477969827526848449414380354384315122644036658565033734392331<397>] |