Calculate the Greatest Common Factor or GCF of 798
Sponsors
The instructions to find the GCF of 798 are the next:
1. Decompose all numbers into prime factors
798 | 2 |
399 | 3 |
133 | 7 |
19 | 19 |
1 |
2. Write all numbers as the product of its prime factors
Prime factors of 798 | = | 2 . 3 . 7 . 19 |
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 3 , 7 , 19
Common prime factors with the lowest exponent: 21, 31, 71, 191
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. 71. 191 = 798
Also calculates the: