Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 347: | \[{16^{347}-1\over15}\] | 2777 × 5575597 × 60988721 × 5237357057<10> × 34195523753509<14> × 182234206875674913613<21> × 14143189112952632419639<23> × 4299277884477512812338461<25> × 115441598321213977591105829<27> × 8155560532912743764446220549478473972441<40> × 131767163746510708909041458609846962239229911542774506033<57> × 20270345302545987116040069442814496729341666112096057885992643120463337596490211193<83> × 95562442332919646317117537304253622533190207882011713489066201641121786503686867002917439712921903606443<104> |