Calculate the Greatest Common Factor or GCF of 1956
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The instructions to find the GCF of 1956 are the next:
1. Decompose all numbers into prime factors
1956 | 2 |
978 | 2 |
489 | 3 |
163 | 163 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 1956 | = | 22 . 3 . 163 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 3 , 163
Common prime factors with the lowest exponent: 22, 31, 1631
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. 31. 1631 = 1956
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