If x is the product of the integers from 1 to 150, inclusive, and 5^y is a factor of x, what is the greatest possible value of y ? Pick one:
A) 30	B) 34	C) 36	D) 37	E) 39
It basically asks for the number of 5s in 150!   150/5 + 150/25 + 150/125 = 30 + 6 + 1. Hence 37   Answer: 37.
<result>D</result>
If x is the product of the integers from 1 to 150, inclusive, and 5^y is a factor of x, what is the greatest possible value of y ?