What is the GCF and LCM of 72 and 81

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asked Mar 20, 2024 170k views

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Alex Meyer · Answer 1 · 2024-03-21T00:34:03+0000

Answer: 648

Explanation:

The Least Common Multiple (LCM) of 81 and 72 is 648. You can find the GCF of 81 and 72 by dividing the product of 81 and 72 by the LCM of 81 and 72.

Tadej · Answer 2 · 2024-03-25T06:13:42+0000

Explanation:

Prime factorization of each

72 = 2 x 2 x 2 x 3 x 3

81 = 3 x 3 x 3 x 3

GCF = 3x3 = 9

LCM = 2x2x2x3x3x3x3= 648

What is the GCF and LCM of 72 and 81

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