find the H.C.F of 66 and 72 by prime factorization method
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Answer:
The factors of 66 are 66, 33, 22, 11, 6, 3, 2, 1.
The factors of 72 are 72, 36, 24, 18, 12, 9, 8, 6, 4, 3, 2, 1.
The common factors of 66 and 72 are 6, 3, 2, 1, intersecting the two sets above.
In the intersection factors of 66 ∩ factors of 72 the greatest element is 6.
Therefore, the greatest common factor of 66 and 72 is 6.
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Answer:
6
Step-by-step explanation:
6 is the answer
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