Factors of 30 = 1, 2, 3, 5, 6, 10, 15 and 30.
Factors of 24 = 1, 2, 3, 4, 6, 8, 12 and 24.
common factor of 30 and 24 = 1, 2, 3, and 6.
Highest common factor of 30 and 24 = 6.
final answer = 6
there isn't anything like HCM btw
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