Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 345: | \[{5^{345}-1\over4}\] | 11 × 31 × 71 × 139 × 181 × 461 × 691 × 1741 × 6211 × 8971 × 21391 × 31741 × 37951 × 689081 × 1715341 × 2855911 × 29028071 × 824480311 × 5347963681<10> × 17223586571<11> × 27875688121<11> × 332207361361<12> × 598761682261<12> × 8868050880709<13> × 100062970166640331<18> × 2351881115374174051<19> × 233740944633134232457877993341<30> × 357284241084505251490147974671655271<36> |