GCF for 20 and 185

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

What is the Greatest Common Divisor of 20 and 185?

Answer

GCF of 20 and 185 is 5

(Five)

Finding GCF for 20 and 185 using all factors (divisors) listing

The first method to find GCF for numbers 20 and 185 is to list all factors for both numbers and pick the highest common one:

All factors of 20: 1, 2, 4, 5, 10, 20

All factors of 185: 1, 5, 37, 185

So the Greatest Common Factor for 20 and 185 is 5

Finding GCF for 20 and 185 by Prime Factorization

The second method to find GCF for numbers 20 and 185 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 20: 2, 2, 5

All Prime Factors of 185: 5, 37

As we can see there is only one Prime Factor common to both numbers. It is 5

So 5 is the Greatest Common Factor of 20 and 185

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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 20 and 185? (The answer is: 5). Select the first number (e.g. '20') and the second number (e.g. '185'). 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.

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

GCF Table

Number 1Number 2GCF
51855
61851
71851
81851
91851
101855
111851
121851
131851
141851
151855
161851
171851
181851
191851
201855
211851
221851
231851
241851
251855
261851
271851
281851
291851
301855
311851
321851
331851
341851

FAQ

What is the Greatest Common Divisor of 20 and 185?

GCF of 20 and 185 is 5

How to find the GCF of 20 and 185?

You can find the GCF of 20 and 185 by listing all factors of both numbers and picking the greatest common one, or by prime factorization. The GCF of 20 and 185 is 5.

See Also