what are the last non zero digit of 38!

• R(n!)=2^a*R(a!)*R(b!)
  n=5a+b
  here,n=38,a=7,b=3
  R(38!)=2^7*R(7!)*R(3!)
  8*2*2*3!=216,hence non zero digit is 8
• 11 years agoHelpfull: Yes(3) No(3)
• I think last non zero digit of 38! will be 2.
  R(38!)=2^7*R(7!)*R(3!) = 8*4*6 =192
  
  so 2 is last non zero digit of 38!.
• 11 years agoHelpfull: Yes(3) No(1)
• sorry its calculation mistake 8*2*2*6=192
  so last non zero digit is 2
• 11 years agoHelpfull: Yes(2) No(1)