if 17^200 is divided by 18,then remainder is

• ans.=1
  
  (17^2)100/18
  =(289)^100/18
  =(18*16+1)^100/18
  =(1)^100/18
  =1
• 11 years agoHelpfull: Yes(7) No(0)
• 17 congruent to -1 (mod 18)
  
  => 17 ^ even number congruent to 1 (mod 18)
  => remainder = 1
• 11 years agoHelpfull: Yes(1) No(3)