tables > repunit > 20

Base 20 Repunits

Table

Viewing: 656 – 656 << prev next >>

(available: 0-999)

Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>

* 656: \[{20^{656}-1\over19}\] 3 × 7 × 17 × 83 × 401 × 739 × 1723 × 22961 × 25913 × 160001 × 49654937 × 824754607 × 1505882353 × 35641617587<11> × 364984924121<12> × 1718157884753<13> × 42728337802653649<17> × 788985829969499330639<21> × 2490949949323610858879377601<28> × 19850094536448035972954342201<29> × 481934995712933951762550935950193<33> × 2416310272297415547218216367551969<34> × 10849375510128706867296356739779929993<38> × 34480963211307643364750006697554452205828161<44> × 7732578673101466228198193653068929288547568250635199081804327533729957256969<76> × 1322335121354627572195016634013566909990083839869399632471834083383194688480149749323658531036078119635287203257<112> × [106756512784999106280802488454428947121340287384088797954570460009225847178810592056271605203659943593720242074836536637844269301880282027072015042228141208223574757444901223437093626094765351829344593414782352703313581952605229279968953060127898586902061426980303507465450611746861068418399893461087899030382696934352886049974780853359201<339>]

Index range: 656 – 656 << prev next >>