Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 230: | \[{5^{230}-1\over4}\] | 2 × 3 × 11 × 47 × 71 × 461 × 521 × 691 × 8971 × 73141 × 689081 × 2855911 × 29028071 × 824480311 × 17223586571<11> × 332207361361<12> × 42272797713043<14> × 100062970166640331<18> × 529958401900871889532705668013589387152384352866888324141<57> |