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The GCF of 42 and 86 is 2.

One way to determine the common factors and greatest common factor is to find all the factors of the numbers and compare them.

The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42.

The factors of 86 are 1, 2, 43, and 86.

The common factors are 1 and 2. Therefore, the greatest common factor is 2.

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โˆ™ 2017-12-04 03:32:33
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โˆ™ 2015-01-22 22:32:19

There is one "greatest common factor", not several.

The greatest common factor of 86 and 42 is the same as the greatest common factor of 42 and 2 - where 2 is calculated as the remainder of the division of 86 by 42.

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โˆ™ 2010-03-01 09:22:51

The greatest common factor of 42 and 86 is 2

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Q: What is the greatest common factor of 42 and 86?
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