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It can be and is. Since 16 is not a factor of 42, the GCF will have to be a factor of 16 that is less than 16.

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11y ago
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12y ago

Because 16 is not a factor of 42.

2 x 2 x 2 x 2 = 16

2 x 3 x 7 = 42

The only factor in common is 2, the GCF.

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8y ago

It can and it is. 16 is not a factor of 42 so the GCF of 16 and 42 must be less than 16.

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11y ago

It can be and is.

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10y ago

It can be and is.

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Q: Can you explain why the greatest common factor of 16 and 42 is less than 16?
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