If n is a positive integer and the product of all the integers from 1 to n, inclusive, is a multiple of 8, what is the least possible value of n? Pick.
A) 7	B) 4	C) 5	D) 3	E) 6

Rationale: we need 3 factors of 2 , so n must be at least 4 . therefore , the answer is b .
Answer: B