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jmc

number theory junior

Problem

The smallest number greater than 2 that leaves a remainder of 2 when divided by 3, 4, 5, or 6 lies between what numbers?
(A)
(B)
(C)
(D)
Solution
To find the answer to this problem, we need to find the least common multiple of , , , and add to the result. The least common multiple of the four numbers is , and by adding , we find that that such number is . Now we need to find the only given range that contains . The only such range is answer , and so our final answer is .
Final answer
D