GCF for 66 and 110

What is the Greatest common Divisor of 66 and 110?

Answer: GCF of 66 and 110 is 22

(Twenty-two)

Finding GCF for 66 and 110 using all factors (divisors) listing

The first method to find GCF for numbers 66 and 110 is to list all factors for both numbers and pick the highest common one:

All factors of 66: 1, 2, 3, 6, 11, 22, 33, 66

All factors of 110: 1, 2, 5, 10, 11, 22, 55, 110

So the Greatest Common Factor for 66 and 110 is 22

Finding GCF for 66 and 110 by Prime Factorization

The second method to find GCF for numbers 66 and 110 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 66: 2, 3, 11

All Prime Factors of 110: 2, 5, 11

As we can see there are Prime Factors common to both numbers: 2, 11

Now we need to multiply them to find GCF: 2 × 11 = 22

Related Calculations

GCF Table

Number 1Number 2GCF
511101
521102
531101
541102
55110
561102
571101
581102
591101
6011010
611101
621102
631101
641102
651105
66110
671101
681102
691101
70110
711101
721102
731101
741102
751105
761102
7711011
781102
791101
8011010

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 66 and 110? (The answer is: 22). Select the first number (e.g. '66') and the second number (e.g. '110'). 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

FAQ

What is the Greatest common Divisor of 66 and 110?

GCF of 66 and 110 is 22