If d is a positive integer and f is the product of the first 30 positive integers, what is the value of d?
1) 10^d is the factor of f
2) d>6
Took too long on this one....Any efficient method on solving this would be very welcome.
1) 10^d is the factor of f
2) d>6
Took too long on this one....Any efficient method on solving this would be very welcome.
