Base 27 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 151: | \[{27^{151}-1\over26}\] | 1511 × 6263783 × 2689557037 × 20851551949<11> × 64745079361<11> × 8824691215488669109<19> × 2210252986790978093597221<25> × 905673230703550690601003473107008473103084254587061<51> × 86639298224311032950674764244041246204948730821269093249776633089611081566420777<80> |