Calculate the Greatest Common Factor or GCF of 2742
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The instructions to find the GCF of 2742 are the next:
1. Decompose all numbers into prime factors
2742 | 2 |
1371 | 3 |
457 | 457 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 2742 | = | 2 . 3 . 457 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 3 , 457
Common prime factors with the lowest exponent: 21, 31, 4571
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. 31. 4571 = 2742
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