Calculate the Greatest Common Factor or GCF of 92 and 516
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The instructions to find the GCF of 92 and 516 are the next:
1. Decompose all numbers into prime factors
92 | 2 |
46 | 2 |
23 | 23 |
1 |
516 | 2 |
258 | 2 |
129 | 3 |
43 | 43 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 92 | = | 22 . 23 |
Prime factors of 516 | = | 22 . 3 . 43 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2
Common prime factors with the lowest exponent: 22
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 = 4
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