Calculate the Greatest Common Factor or GCF of 978
Sponsors
The instructions to find the GCF of 978 are the next:
1. Decompose all numbers into prime factors
978 | 2 |
489 | 3 |
163 | 163 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 978 | = | 2 . 3 . 163 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 3 , 163
Common prime factors with the lowest exponent: 21, 31, 1631
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. 1631 = 978
Also calculates the: