Base 27 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 406: | \[{27^{406}-1\over26}\] | 22 × 72 × 43 × 59 × 349 × 523 × 547 × 1093 × 2269 × 2437 × 2843 × 6091 × 28537 × 74821 × 99877 × 142159 × 261697 × 368089 × 735673 × 1383301 × 2947561 × 5385997 × 20381027 × 32234893 × 37464463 × 1012563218857<13> × 150224123975857<15> × 2138662632071226913<19> × 2951329832776462049641<22> × 50984930600938790172697<23> × 398858013926743539066881263<27> × 483273687962407586342354463352007644446305502835009<51> × 478952751436011946972423178548637101114935294309822847<54> × 45482212908319118770407515988402149063819780377509776980705192866073<68> × 45710553733635551271263934571653147487690442652554544220310250384660059<71> × 92298977083779784180516819406709594226413982076258840301369133290106216263751406704961687765981714483458745271361<113> |