Calculate the Greatest Common Factor or GCF of 1392
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The instructions to find the GCF of 1392 are the next:
1. Decompose all numbers into prime factors
1392 | 2 |
696 | 2 |
348 | 2 |
174 | 2 |
87 | 3 |
29 | 29 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 1392 | = | 24 . 3 . 29 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 3 , 29
Common prime factors with the lowest exponent: 24, 31, 291
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 = 24. 31. 291 = 1392
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