Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
137: | \[{12^{137}-1\over11}\] | 7894763 × 99485649955791433<17> × 4270306101158898662140485488376974936909627<43> × 190932332353103259282452104039869934637848025491327073514361270402632428137006957<81> |