Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 202: | \[{28^{202}-1\over27}\] | 29 × 809 × 1213 × 466471531 × 115153341293<12> × 2855702184253<13> × 15570953871919<14> × 1574238349821667<16> × 4769180867662554906245832577<28> × 3701989015882167181421404680381354157<37> × 217438713036257105610507194981867643602110201920239339<54> × 1909568101263037452830337146090233419156980905952691652825682560530647484449316945882184659062705972230309<106> |