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GCF of a Prime number and a composite number is 1 if the composite number is a multiple of the prime number.

37 is a prime number and 72 is not a multiple of 37 because it is not divisible by 37.

Therefore, GCF of 72 & 37 is 1.

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โˆ™ 2011-06-01 11:31:12
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โˆ™ 2015-07-26 19:00:39

The GCF is 1.

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Q: What is the greatest common factor of 72 and 37?
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