mulitiples of 57 are: 57, 114, 171, 228, 285
multiples of 38 are: 38, 76, 114, 152, 190
The least common multiple is 114.
Alternatively, 19 is a common factor of 57 and 38:
38 = 19*2 and
57 = 19*3
The LCM of 2 and 3 is 6.
Multipying the common fctor back, the LCM of 38 and 57 is 6*19 = 114
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