Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 899: | \[{8^{899}-1\over7}\] | 233 × 1103 × 2089 × 4177 × 460289 × 78989737 × 2147483647 × 9857737155463<13> × 110521633444549751<18> × 658812288653553079<18> × 1610205415037432716423<22> × 796968797719178740820037379973406834314737633<45> × 8108424985322948112652050655268837686882616590590466226649600910045900760018177829156763489<91> × 11150918718415813369807615536191314163147736142782825658372748219968216409029220386076329433977<95> × [739569193574227247641128383949700749711033826721215778704335056744875302020184063259803076343804061190254208208388939064249513049470587378272284881286186481289284258586022809294086353115128815154943170450643322756011447436495129448049670171054764722088256892276504619586016467369287939383944601239901513446514167554325406331716057941807615815101090034695352047419794776951960696411744017022794343484193469336924281420260843308749295660116007136184588939031846289932700291847961<477>] |