GCF for 20 and 335

What is the Greatest common Divisor of 20 and 335?

Answer: GCF of 20 and 335 is 5

(Five)

Finding GCF for 20 and 335 using all factors (divisors) listing

The first method to find GCF for numbers 20 and 335 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 335: 1, 5, 67, 335

So the Greatest Common Factor for 20 and 335 is 5

Finding GCF for 20 and 335 by Prime Factorization

The second method to find GCF for numbers 20 and 335 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 335: 5, 67

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 335

Related Calculations

GCF Table

Number 1Number 2GCF
53355
63351
73351
83351
93351
103355
113351
123351
133351
143351
153355
163351
173351
183351
193351
203355
213351
223351
233351
243351
253355
263351
273351
283351
293351
303355
313351
323351
333351
343351

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 335? (The answer is: 5). Select the first number (e.g. '20') and the second number (e.g. '335'). 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 20 and 335?

GCF of 20 and 335 is 5