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Q: What is the gratest common factor 42 and 18?

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It is: 6

18 and 42's highest common factor is six.

Yes, 3 a common factor of 9 18 and 42

42 prime factors -----> 2,3,7 105 prime factors -----> 3,5,7 There is 3 and 7 in common : There fore 3*7 = 21; 21 is the greatest common factor.

The greatest common factor of 18 21 and 42 is 3.

Greatest common factor of 12 18 and 42 is 6.

The GCF of 42 and 18 is 6.

The Greatest Common Factor of 42 and 18 is 6.

Common factors of 18 and 42 are: 1, 2, 3, and 6.

The common factors of 18 and 42 are 1, 2, 3 and 6

The greatest common factor of 42 , 18 = 6

The Greatest Common Factor (GCF) is: 6

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