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No, 2 is a common factor of all even numbers but not necessarily the greatest common factor.

Take 40 and 32: 40:1,2,4,5,8,10,20,40 32:1,2,4,8,16,32

8 is the greatest common factor of these two even numbers.

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12y ago

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Not necessarily. The GCF of 20 and 28 is 4.

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9y ago
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Q: Is the greatest common factor of two even number is two?
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Is the greatest common factor an odd number and even number is always even?

No. Odd numbers only have odd factors. They could not have an even factor in common.


Is the greatest common factor factor of a odd number and a even number always even?

No, the GCF of 6 and 7 is 1.


Is the greatest common factor of an even number and an odd number always even?

No. The GCF of 6 and 15 is 3.


Is the greatest common factor of two even numbers always two?

No, but it's always an even number.


Is the greatest common factor of an odd and even number always 1?

No, the GCF of an odd an even number is not always 1. Odd and even numbers can share factors other than 1. For example, the greatest common factor of 5 and 10 is 5.