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
1142 | 2 |
571 | 571 |
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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