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To find the second common multiple of two numbers, you first need to identify the least common multiple (LCM) of the two numbers. The LCM is the smallest number that is a multiple of both numbers. Once you have the LCM, you can then find the second common multiple by adding the LCM to the LCM itself. This will give you the second common multiple of the two numbers.
Any three-digit multiple of 60, from 120 to 960, has the first five counting numbers as factors.
The sum of the first 100 counting numbers (1-100) is 5,001.
The smallest number evenly divisible by the numbers 1-12 is 60. 60 is also be by 0, but not by 13.
You can always find a common multiple of two numbers by multiplying them together; it will not always be the least common multiple. As one counterexample, if one of the numbers is a multiple of the other, the first number is the LCM of the two. 9 x 3 = 27 The LCM of 9 and 3 is 9. 4 x 6 = 24 The LCM of 4 and 6 is 12.