Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 615: | \[{10^{615}-1\over9}\] | 3 × 31 × 37 × 412 × 83 × 271 × 1231 × 11071 × 275521 × 538987 × 1364071 × 1811791 × 2906161 × 21158848681<11> × 626920594693<12> × 9425856976319889649<19> × 201763709900322803748657942361<30> × 41766848698222033158540558591648271<35> × 234065099292222402013296307835793151<36> × 5440907236518498609451112390256369995629321<43> × 8414640003465161203119978906558054839526493<43> × 37654445534598090531061637404570516695225922222356909916889395661871779838862063550827086195341481919418156260385301045484576632937146377914151<143> × 138183158798049844556158888076448825408549640572463918231240331821392549153929574484365989230246562499465926979047802323674799475877483012920787764390492206676112541676978157780319832830466369638431<198> |