Question

if the product of first 10 natural numbers is 2^a*3^b*5^c*7^d then find a+b+c+d

Answer 1

1,2,3,4,5,6,7,8,9,10
1,2,3,2^2,5,(2*3),7,2^3,3^2,(2*5)
a=8
b=4
c=2
d=1
a+b+c+d=15