21=3*7
33=3*11
57=3*19
so 3*7*11*19= lcm = 4,389
factoring
21=3*7
33=3*11
57=3*19
so LCM=3*7*11*19=4,389
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is the lcm of 21, 33, and 57
The LCM of 57 and 10 is 570. The LCM of 5, 7 and 10 is 70.
Least Common Multiple (LCM) for 57 27 is 513
The least common factor of any set of integers is 1.
It is: 33