Base 4 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 965: | \[{4^{965}-1\over3}\] | 11 × 31 × 1931 × 6563 × 30881 × 2184761 × 13821503 × 35679139 × 37420771 × 204948631 × 1871670769 × 86710817849281<14> × 7455099975844049<16> × 1280761337388845898643<22> × 44894058474254631045721<23> × 61654440233248340616559<23> × 14732265321145317331353282383<29> × 5725218872819272688156683843001<31> × 459709895269824331735672396802031849801372571568773911795384370599712829134749487439682536072440055724150706746160160935572856540609925426979936788766361822282686954831571255826921<180> × 176760618608026316894028012423322784285901728604611071832688818753291150395444534228003383438939661460544732136333713224782601024858894425326204040588199695296240220061297908834926990491<186> |