Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 447: | \[{12^{447}-1\over11}\] | 157 × 1789 × 11027 × 1410733 × 234761898589<12> × 156440749419037<15> × 112550446160351006679601<24> × 20865223052582225133417373<26> × 1919442572897362836803025134228929025089<40> × 377462847669023359017499964001566297232913<42> × 269761817023618738054898710331586374089228106297387313320439637456423454632878787306653982674484364732144252564402447<117> × [305797927805043856618073218600355551271316942914115505358144458429775674332848290564606655640663931855400482489117330060610103206352744541033303831494733908220848295458029354923625099314384992889<195>] |