GCF for 99 and 165

What is the Greatest common Divisor of 99 and 165?

Answer: GCF of 99 and 165 is 33

(Thirty-three)

Finding GCF for 99 and 165 using all factors (divisors) listing

The first method to find GCF for numbers 99 and 165 is to list all factors for both numbers and pick the highest common one:

All factors of 99: 1, 3, 9, 11, 33, 99

All factors of 165: 1, 3, 5, 11, 15, 33, 55, 165

So the Greatest Common Factor for 99 and 165 is 33

Finding GCF for 99 and 165 by Prime Factorization

The second method to find GCF for numbers 99 and 165 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 99: 3, 3, 11

All Prime Factors of 165: 3, 5, 11

As we can see there are Prime Factors common to both numbers: 3, 11

Now we need to multiply them to find GCF: 3 × 11 = 33

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About "Greatest Common Factor" Calculator

This calculator will help you find the greatest common factor (GCF) of two numbers. For example, it can help you find out what is the Greatest common Divisor of 99 and 165? (The answer is: 33). Select the first number (e.g. '99') and the second number (e.g. '165'). After that hit the 'Calculate' button.
Greatest Common Factor (GCF) also known as the Greatest Common Divisor (GCD) or Highest Common Factor (HCF) - it is the largest positive integer that divides each of the integers with zero remainder

GCF Table

Number 1Number 2GCF
841653
851655
861651
871653
8816511
891651
9016515
911651
921651
931653
941651
951655
961653
971651
981651
99165
1001655
1011651
1021653
1031651
1041651
10516515
1061651
1071651
1081653
1091651
11016555
1111653
1121651
1131651

FAQ

What is the Greatest common Divisor of 99 and 165?

GCF of 99 and 165 is 33