Base 27 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 490: | \[{27^{490}-1\over26}\] | 22 × 73 × 112 × 31 × 43 × 61 × 71 × 211 × 271 × 421 × 491 × 547 × 1051 × 1093 × 1471 × 2269 × 3529 × 4019 × 4561 × 6301 × 8233 × 15583 × 24151 × 32341 × 47041 × 51157 × 131713 × 145531 × 174931 × 368089 × 498331 × 1616161 × 3369031 × 3454081 × 87459121 × 119471899 × 200568859 × 857643277 × 2664097031 × 14926003681<11> × 26751945361<11> × 127522693159<12> × 374857981681<12> × 882757098511<12> × 514758172908631<15> × 74791772471622991<17> × 58770727715103776715586741<26> × 254395969103901649521223867932173929<36> × 536827955723741125410788967206335237321<39> × 133216843521715595330085234031146078070409905677390511<54> × 3699217554862516014590802684055689990781547378396369311<55> × 819789872274420135934308710915667205517989021684165907428156482710442517771<75> × 4430152977536859072181134657493233649089245714747389001639572141363110009421<76> × 7449702173410416084216446349285568452401056773884562504485497217042038452705983594668261<88> |