Calculate the Greatest Common Factor or GCF of 392
Sponsors
The instructions to find the GCF of 392 are the next:
1. Decompose all numbers into prime factors
392 | 2 |
196 | 2 |
98 | 2 |
49 | 7 |
7 | 7 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 392 | = | 23 . 72 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 7
Common prime factors with the lowest exponent: 23, 72
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 = 23. 72 = 392
Also calculates the: