What is the least number which should be added to 2497 so that the sum

What is the least number which should be added to 2497 so that the sum is exactly divisible by 5, 6, 4 and 3?

L.C.M. of 5, 6, 4 and 3 = 60.
On dividing 2497 by 60, the remainder is 37.
∴ L.C.M. of 5, 6, 4 and 3 = 60. Number to be added = (60 - 37) = 23.