A multiple is the result of multiplying a number by an integer.
6: 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84, 90, 96, 102, 108, 114, 120, 126
7: 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98, 105, 112, 119, 126
The first 3 common multiples of 6 and 7 are 42, 84 and 126.
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All common multiples is an infinite set. I'll do the first three, you do the rest.
56, 112, 168 and so on.
First common multiples are also know as the least common multiples (LCM)
the answer is................
168
42 and 84
Since the lowest common multiple of 6 and 7 is 42, the multiples of 6 and 7 are multiples of 42. The first five are: 42 84 126 168 210
If that's 1, 6 and 7, the answer is 42, 84 and 126. If that's 16 and 7, the answer is 112, 224 and 336.
The multiples of 6 are 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, and so on The multiples of 7 are 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, and so on The common multiples of 6 and 7 are 42, 84, 126 and so on.
The LCM of (5, 6, 7) is 210.