Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
123: | \[{10^{123}-1\over9}\] | 3 × 37 × 83 × 1231 × 538987 × 1811791 × 626920594693<12> × 9425856976319889649<19> × 201763709900322803748657942361<30> × 8414640003465161203119978906558054839526493<43> |