What is the HCF of 12, 20 and 72?
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Step-by-step explanation:
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Answer:
HCF of 12, 20 and 72 is 4
Step-by-step explanation:
LCM of 12 = 2 X 2 X 3
LCM of 20 = 2 X 2 X 5
LCM of 72 = 2 X 2 X 2 X 3 X 3
Taking the common factor s in groups
(2 X 2 X 2) X (2 X 2 X 2)
Take the 2's common from each bracket
(2) X (2)
4
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