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Jan 22nd, 2018
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  1. function lp(x){
  2. for(var i=2;i*i<=x;i++)
  3. if(x%i==0)
  4. return false;
  5. return true;}
  6. var x=parseInt(prompt("Podaj liczbe"));
  7. if(lp(x))
  8. document.write("Jest liczba pierwsza");
  9. else
  10. document.write("Nie jest liczba pierwsza");
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