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Calculate the Greatest Common Factor or GCF of 2978

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The instructions to find the GCF of 2978 are the next:

1. Decompose all numbers into prime factors

29782
14891489
1

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

Prime factors of 2978=2 . 1489

3. Choose the common prime factors with the lowest exponent

Common prime factors: 2 , 1489

Common prime factors with the lowest exponent: 21, 14891

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. 14891 = 2978


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