GCF for 20 and 760

What is the Greatest Common Factor of 20 and 760?

Answer: GCF of 20 and 760 is 20

(Twenty)

Finding GCF for 20 and 760 using all factors (divisors) listing

The first method to find GCF for numbers 20 and 760 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 760: 1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760

So the Greatest Common Factor for 20 and 760 is 20

Finding GCF for 20 and 760 by Prime Factorization

The second method to find GCF for numbers 20 and 760 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 760: 2, 2, 2, 5, 19

As we can see there are Prime Factors common to both numbers: 2, 2, 5

Now we need to multiply them to find GCF: 2 × 2 × 5 = 20

GCF Table

Number 1Number 2GCF
57605
67602
77601
87608
97601
1076010
117601
127604
137601
147602
157605
167608
177601
187602
1976019
2076020
217601
227602
237601
247608
257605
267602
277601
287604
297601
3076010
317601
327608
337601
347602

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 Factor of 20 and 760? (The answer is: 20). Select the first number (e.g. '20') and the second number (e.g. '760'). 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 Factor of 20 and 760?

GCF of 20 and 760 is 20