What is the least common multiple of 7 and 49?

The least common multiple (LCM) of two numbers is the smallest multiple that is divisible by both numbers. In this case, the LCM of 7 and 49 is 49 because it is the smallest multiple of 7 that is also a multiple of 49. This is because 49 is a multiple of 7 (7 x 7 = 49), so it is the smallest number that satisfies both conditions.