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Greatest Common Factor

Calculate the Greatest Common Factor or GCF of 484 and 528

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The instructions to find the GCF of 484 and 528 are the next:

1. Decompose all numbers into prime factors

4842
2422
12111
1111
1
5282
2642
1322
662
333
1111
1

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

Prime factors of 484=22 . 112
Prime factors of 528=24 . 3 . 11

3. Choose the common prime factors with the lowest exponent

Common prime factors: 2 , 11

Common prime factors with the lowest exponent: 22, 111

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 = 22. 111 = 44

Also calculates the:

Least Common Multiple or LCM of 484 and 528

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