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Calculate the Greatest Common Factor or GCF of 1578 and 3055

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The instructions to find the GCF of 1578 and 3055 are the next:

1. Decompose all numbers into prime factors

15782
7893
263263
1
30555
61113
4747
1

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

Prime factors of 1578=2 . 3 . 263
Prime factors of 3055=5 . 13 . 47

3. Choose the common prime factors with the lowest exponent

Common prime factors: None

Common prime factors with the lowest exponent: None

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.

Since there are not common prime factors the GCF is 1


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