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Calculate the Greatest Common Factor or GCF of 453

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The instructions to find the GCF of 453 are the next:

1. Decompose all numbers into prime factors

4533
151151
1

2. Write all numbers as the product of its prime factors

Prime factors of 453=3 . 151

3. Choose the common prime factors with the lowest exponent

Common prime factors: 3 , 151

Common prime factors with the lowest exponent: 31, 1511

4. Calculate the Greatest Common Factor or GCF

Remember, to find the GCF of several numbers you must multiply the common prime factors with the lowest exponent.

GCF = 31. 1511 = 453


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