Calculate the Greatest Common Factor or GCF of 622
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The instructions to find the GCF of 622 are the next:
1. Decompose all numbers into prime factors
| 622 | 2 | 
| 311 | 311 | 
| 1 | 
2. Write all numbers as the product of its prime factors
| Prime factors of 622 | = | 2 . 311 | 
3. Choose the common prime factors with the lowest exponent
Common prime factors: 2 , 311
Common prime factors with the lowest exponent: 21, 3111
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. 3111 = 622
Also calculates the:
