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# How do you find the greatest common factor of 45 using prime factorization?

Wiki User

2009-08-25 10:50:17

You do not. To have a greatest common factor, you need two or more numbers. A common factor is a factor that two or more number have in common.

However, the prime factorization of all the numbers will help you find the greatest common factor. The greatest common factor will be the prime factors they have in common multiplied together.

Example:

The prime factors of 45 are 3, 3, and 5.

The prime factors of 60 are 2, 2, 3, and 5.

The common prime factors are 3 and 5, so the greatest common factor is 3 x 5 = 15.

Wiki User

2009-08-25 10:50:17
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## A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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