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Subjects>Math>Basic Math

What is the greatest common factor of 9 18 and 42?

Updated: 4/28/2022

Wiki User

∙ 7y ago

Best Answer

The GCF of 9, 18, and 42 is 3.

The factors of 9 = 3*3

The factors of 18 = 2*3*3

The factors of 42 = 2*3*7

So the greatest common factor = 3.

Wiki User

∙ 7y ago

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More answers

Wiki User

∙ 15y ago

There can only be one "greatest".

For these three numbers, it's '3'.

Wiki User

∙ 15y ago

The greatest for these three numbers, is 3.

Wiki User

∙ 8y ago

The GCF is 3.

Wiki User

∙ 13y ago

GCF(9, 18, 42) = 3

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