Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 490: | \[{23^{490}-1\over22}\] | 23 × 3 × 29 × 31 × 41 × 71 × 197 × 211 × 491 × 673 × 1471 × 2969 × 52291 × 292561 × 2229991 × 5336717 × 12968551 × 20268851 × 6696671101<10> × 15716677201<11> × 110350430401<12> × 171913108319<12> × 14284335193633<14> × 147306693052121<15> × 1414566930063953<16> × 1771237169778581<16> × 27746234559845201<17> × 448514601593253553<18> × 29228211639650804163601<23> × 4495265300036751857889931<25> × 146142561837866820593522495971<30> × 7908659662206739330568797545829013975804515085190454901<55> × [2743520404750990132963831311497604469611263786302309400127463122771266349848543490756469921436682806426299292644982655530216498446251256542459551<145>] × 81504766457360329718341170710984854274585585505824800192631221137270802860855600880810818428035754614870277541936230174159420150072886460954064665273847014298313241256516116293505933701528143731<194> |