Base 30 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 215: | \[{30^{215}-1\over29}\] | 431 × 947 × 1291 × 837931 × 1131331 × 7517914031<10> × 10704969713<11> × 638061101267<12> × 86600623517971<14> × 156520419366000909683<21> × [37799255074053100476839280909439301936678580647476900567275130230139655902887192955008851322653058911765428727891468459719066569858885952339473080031685889347094942956764520233358856409102485075154021096845024198249381274524885281<230>] |