If n is a positive integer and the product of all integers from 1 to n, inclusive, is a multiple of 840, what is the least possible value of n?  Choose the correct choice from the following answers:  A) 5  B) 11  C) 12  D) 13  E) 14
840 = 2 * 2 * 2 * 3 * 5   so the least value forNcan be 5.   5
<result>A</result>
If n is a positive integer and the product of all integers from 1 to n, inclusive, is a multiple of 840, what is the least possible value of n?