Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 400: | \[{23^{400}-1\over22}\] | 26 × 3 × 53 × 17 × 31 × 41 × 53 × 61 × 101 × 211 × 241 × 401 × 941 × 1201 × 2801 × 3697 × 5081 × 6551 × 19501 × 56951 × 139921 × 272341 × 292561 × 623009 × 1068701 × 7249841 × 48760001 × 346924525001<12> × 147190628299441<15> × 279175761283651<15> × 1206964869343609001<19> × 146239626404410677041<21> × 261968569374120475321751<24> × 4140777445382377512066709601<28> × 1380730684956683163568202235401<31> × 16735528515647978949662791582828801<35> × 1081953238506475031168069506397320001<37> × 87066593259954423239816996541587398201<38> × 11108596729683550747564103964610360122601<41> × [8628165353214047113772814750604909801927180570518752875198794659976899043435557780097132516807048012590649495652983109860749909387309095430401<142>] |