a single number does not have a common multiple
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The LCM of the given three numbers is: 58,800
Since 147 is a multiple of 7, it is automatically the LCM of this problem.
There is no such thing as a 'highest common multiple', but the least common multiple or LCM can be found using prime numbers. The LCM of the given numbers is the product of all different prime factors to their greatest power. If there are no exponents, the greatest power of the prime factors is 1 and each different prime factor is used in the multiplication:prime factors of 210 are 2 x 3 x 5 x 7;prime factors of 147 are 3 x 72;the LCM of 210 and 147 is 2 x 3 x 5 x 72 = 1470
1,3,7,21,49,147 1, & 147 is not the only factors of 147 because 147 is not prime
147% = 147/100 in fraction