Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 550: | \[{3^{550}-1\over2}\] | 22 × 113 × 23 × 61 × 67 × 151 × 661 × 1321 × 3851 × 8951 × 391151 × 659671 × 669901 × 22996651 × 24472341743191<14> × 560088668384411<15> × 121083372541491664042201<24> × 1067981089624261919976337719009583271701<40> × 372786612615001741869186313905960787252261478755201<51> × 2184618099425061500147268880843478755794738604041083109375948881000595001<73> |