+0  
 
+1
59
1
avatar

Let a and b be two positive integers such that a^b * b^a is divisible by 2000.  Find the least possible value of the product ab.

 Dec 29, 2019
 #1
avatar
0

a^b * b^a  mod 2000 = 0 

 

a = 5   and   b=4

 

a  *  b = 20

 Dec 29, 2019

33 Online Users

avatar
avatar