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Q: How do you use a factor tree to find the greatest common factor using the numbers 29 and 87?

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The highest common factor of two numbers is their highest common factor. The method that is used to find it is irrelevant.

the least common multiple is what the numbers you are using divide into. e.g. 3 and 6 have 12 as the common factor. the greatest common factor is what divides into your numbers. 6 and 9 have 3 as the greatest common factor

i dont know what that means does anyone get this"find the greatest common factor of the numbers using prime factorization We'll be eager to jump on it as soon as you give us the numbers.

The GCF is 12. The next greatest is 6.

You must start with two numbers in order to find the greatest common factor of a set of numbers. The number 25 alone has no greatest common factor as their is no other number in order to have a factor in common with anything.

Yes, you can.

The greatest common factor of both numbers is 15

In general, all common factors of two (or more) numbers are factors of its GREATEST common factor. Thus, you need to start by using the methods you were taught, to find the greatest common factor.

Trees aren't necessary. The greatest common multiple of any set of numbers is always infinite.

The GCF is 2. The LCF is 1. The difference is 1.

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