Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
181: | \[{9^{181}-1\over8}\] | 51043 × 90863 × 890159 × 715722801240612811884999961<27> × 1563889515958819802226972824170738835419881870248693287<55> × 1412740676235815729693013611798695493926336144083867368022228212267580445753<76> |