How to find gcf using prime factorization

This video shows you how to find the greatest common factor for numbers using prime factorization. Finding GCF using a factor tree can be easy if you know ho

Prime Factorization and Greatest Common Factor

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How to find GCF by Prime Factorization

1) Write the Prime Factorization of each number. In other words, express each number as a product of numbers written in an exponential form. Obviously, the base will always be a prime

Using Prime Factorizations

To find the GCF, take the prime factorization of both numbers. Then multiply the factors they have in common. For example, the greatest common factor of 1,575 and 23,100 is

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How Do You Find the Greatest Common Factor of Two

Here's how to find the GCF of a set of numbers, using prime factorization: List the prime factors of each number. Circle every common prime factor — that is, every prime factor

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Use Prime Factorization to Find GCF

Here’s how to find the GCF of a set of numbers, using prime factorization: List the prime factors of each number. Circle every common prime factor — that is, every prime factor

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