Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 435: | \[{18^{435}-1\over17}\] | 73 × 31 × 41 × 601 × 2711 × 38281 × 52201 × 558721 × 114749708791<12> × 1505548068007783<16> × 39829541843092777201<20> × 98800490511312118297<20> × 4542493092455856362519026681<28> × 20423794322970766662747461449<29> × 23844678628322370113260816873780684279<38> × 1551401186925508484133392510398878345592061650403823690709863421889901131274144625280384307820122819174127471<109> × [35142537772104603339360578508605977229883445657373427313908510787749039778795235883626242393605199073790776308958417573286807141061212300389120984276663272663535248928645939346168224571310102159083413399123138523718208354507542151251543598906355810961<251>] |