Menu Search
Jump to the content
X
X

Calculate the Greatest Common Factor or GCF of 72 and 3172

Sponsors

The instructions to find the GCF of 72 and 3172 are the next:

1. Decompose all numbers into prime factors

722
362
182
93
33
1
31722
15862
79313
6161
1

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

Prime factors of 72=23 . 32
Prime factors of 3172=22 . 13 . 61

3. Choose the common prime factors with the lowest exponent

Common prime factors: 2

Common prime factors with the lowest exponent: 22

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 = 22 = 4


Also calculates the:

↑ Back to top

↑ Back to top