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To find the common multiples, we first need to break the numbers down into their prime factors:
14 = 2x7
28 = 2x2x7
The next step is to identify any common factors. In this case, both numbers have a single 2 and a single 7, so we can discard one of each. This leaves us with 2, 2 and 7. Multiply these together for the LCM:
2x2x7 = 28
To find other multiples, you now simply multiply this number by any integer. For instance, 28x2, 28x3, 28x4....
Thus the first few common multiples of 14 and 28 are 28, 56, 84, 112.
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What are the common multiples of 4 and 14?
The common multiples of 4 and 14 are 28, 56, 84, 112, 140, 168, 196, 224, 252, 280, 308, and so on. The are the infinite set of numbers that are the multiples of the LCM of 4 and 14, which is 28.
What is 4 multiples of seven?
The four multiples of seven are 7, 14, 21, and 28.
Greatest common multiples of 28 and 63?
28 multiples are 7,4,1,2,14,28, 63 multiples are 1.63.3.3.7 greatest is 7
What are multiples of 7 and factors of 28?
7,147, 14 and 28
List the first three common multiples of 2 and 7 and 8?
lcm(2, 7) = 14 → first 3 common multiples are: 14, 28, 42; lcm(2, 8) = 8 → first 3 common multiples are: 8, 16, 24; lcm(7, 8) = 56 → first 3 common multiples are: 56, 112, 168; lcm(2, 7, 8) = 56 → first 3 common multiples are: 56, 112, 168.
