To find the LCM of 28 and 5 you start by splitting these into their prime factors:
28 = 2x2x7
5 = 5
The next step would be to identify any common factors. In this case, there are none, and so we take all the factors, and multiply them together to find the LCM:
2x2x7x5 = 140
Thus the LCM of 28 and 5 is 140.
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5
140 (5 x 28, 2 x 70)
28. The least common multiple (LCM) is defined as the smallest number that is a multiple of two numbers.The LCM of a single number is that number, so the LCM of 28 is 28.In general, an LCM is derived from more than one number.You need at least two numbers to find an LCM. If that's 2 and 8, the LCM is 8.
LCM of 7 and 28 is 28.
168 is the LCM of 24 and 28