Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
181: | \[{11^{181}-1\over10}\] | 42811641487<11> × 8439877927139263645774810523<28> × 85936560698170041700686631691095330398223365584388890892338001612274442403971954171043290312833934258396030811408761942867059347503387913094932641381<149> |