The LCM is: 48,510
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The LCM is: 693
the answer 63You just list all the multiples of each7 - 7, 14, 21, 28, 35, 42, 49, 54, 63, 70, ...63 - 63, 126, 189, 252, ...
Since 63 is a factor of 693, it is automatically the GCF of this problem.
The LCM is: 630just multiply 90*63 and what i do is go google and look up least common multiple calculator and there you have different options and pick the one that best fits your answer
1, 3, 7, 9, 21, 63