Calculate the Greatest Common Factor or GCF of 2491

The instructions to find the GCF of 2491 are the next:

1. Decompose all numbers into prime factors

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

3. Choose the common prime factors with the lowest exponent

Common prime factors: 47 , 53

Common prime factors with the lowest exponent: 47¹, 53¹

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 = 47¹. 53¹ = 2491

Also calculates the:

↑ Back to top