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Calculate the Greatest Common Factor or GCF of 1142

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The instructions to find the GCF of 1142 are the next:

1. Decompose all numbers into prime factors

11422
571571
1

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

Prime factors of 1142=2 . 571

3. Choose the common prime factors with the lowest exponent

Common prime factors: 2 , 571

Common prime factors with the lowest exponent: 21, 5711

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 = 21. 5711 = 1142


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