Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
183: | \[{18^{183}-1\over17}\] | 73 × 367 × 1831 × 367831 × 5608951 × 4110876980385153863<19> × 4169249212024569235842583<25> × 648170347116311073991134744471511980194247734257<48> × 1450744996988333189921892673782384233809551686747567<52> × 398078235689490288473694047231212726626520443743832996538897962223<66> |