Menu Search
Jump to the content
X
X

Calculate the Greatest Common Factor or GCF of 402

Sponsors

The instructions to find the GCF of 402 are the next:

1. Decompose all numbers into prime factors

4022
2013
6767
1

2. Write all numbers as the product of its prime factors

Prime factors of 402=2 . 3 . 67

3. Choose the common prime factors with the lowest exponent

Common prime factors: 2 , 3 , 67

Common prime factors with the lowest exponent: 21, 31, 671

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. 671 = 402


Also calculates the:

↑ Back to top

↑ Back to top