If the product of the integers from 1 to n is divisible by 1029, what is the least possible value of n?  Choose the correct option
A) 7 B) 14 C) 21 D) 28 E) 35

Rationale: 1029 = 7 x 7 x 7 x 3 n must include at least 7 , 2 * 7 , and 3 * 7 . the answer is c .
Answer: C