a * b * c * d * e = 2000, where each of a,b,c,d and e is greater than 1. The smallest possible value of a + b + c +d + e is ?
2000=2^4 * 5^3 = 2*2*2*2*125 = 5*5*5*2*8
=> min (a+b+c+d)=5+5+5+2+8=25