Student: Which of the following numbers is divisible by each one of 3, 7, 9 and 11 ?\nOptions:\n(A) 2079\n(B) 456\n(C) 974\n(D) 562\n(E) 300.
Another student: Let's say, hmmm...

User
639 is not divisible by 7\n2079 is divisible by each of 3, 7, 9, 11. Final answer: (A).
Assistant