Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 543: | \[{3^{543}-1\over2}\] | 13 × 90863 × 890159 × 926328015235949414291418541<27> × 463363430282411974100538913890658610885126169932893<51> × 1412740676235815729693013611798695493926336144083867368022228212267580445753<76> × 9359751149524485034930668940778241599068738630482905316578749841689910635121351504043970515577<94> |