337 race to 337 what is the unit digit

• unit digit of 337^337 will be 7
  as unit digit of 7^4n is 1
  and hence unit digit of 7^(4n+1) is 7 and 337 = 4n+1 where n= 84
• 11 years agoHelpfull: Yes(3) No(0)
• Using remainder concept :
  when the last digit is 7 then the circulation is of 4.
  7^1=7
  7^2=9
  7^3=3
  7^4=1
  7^5=7..............
  the is the number in the format 7^(4n+1).
  hence the answer is 7.
• 11 years agoHelpfull: Yes(0) No(0)