what is the unit digit of 124^123!

• 123! contains lots of zeroes at the end so it is even no.
  now (124)^even no. gives 6 at unit place (4^even =6 at unit place)
  ANS 6
• 11 years agoHelpfull: Yes(30) No(1)
• Ans.6.
  123! contains lots of 0's in the end and it's a even no..
  And We know 4^even no always leaves 6 as unit digit..
  So 124^123! leaves 6 as unit digit..
• 11 years agoHelpfull: Yes(21) No(4)
• it should be 4.
  
• 11 years agoHelpfull: Yes(7) No(5)
• ans should be 6
  
• 11 years agoHelpfull: Yes(1) No(0)
• Ans:6
  31^123!*4^123!
  31^123!=01
  2^2*123!
  which can be written in the form of 20's multiple which will be 76. hence ans is 6
  
  
• 11 years agoHelpfull: Yes(1) No(0)
• (124^4)^30 * 124^3
  6 * 124^3=11439744
  so unit digit is4
  
  
• 11 years agoHelpfull: Yes(0) No(2)