GCF for 520 and 240

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

What is the Greatest Common Divisor of 520 and 240?

Answer

GCF of 520 and 240 is 40

(Forty)

Finding GCF for 520 and 240 using all factors (divisors) listing

The first method to find GCF for numbers 520 and 240 is to list all factors for both numbers and pick the highest common one:

All factors of 520: 1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520

All factors of 240: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240

So the Greatest Common Factor for 520 and 240 is 40

Finding GCF for 520 and 240 by Prime Factorization

The second method to find GCF for numbers 520 and 240 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 520: 2, 2, 2, 5, 13

All Prime Factors of 240: 2, 2, 2, 2, 3, 5

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

Now we need to multiply them to find GCF: 2 × 2 × 2 × 5 = 40

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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 520 and 240? (The answer is: 40). Select the first number (e.g. '520') and the second number (e.g. '240'). 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
5052405
5062402
5072403
5082404
5092401
51024030
5112401
51224016
5132403
5142402
5152405
51624012
5172401
5182402
5192403
52024040
5212401
5222406
5232401
5242404
52524015
5262402
5272401
52824048
5292401
53024010
5312403
5322404
5332401
5342406

FAQ

What is the Greatest Common Divisor of 520 and 240?

GCF of 520 and 240 is 40

How to find the GCF of 520 and 240?

You can find the GCF of 520 and 240 by listing all factors of both numbers and picking the greatest common one, or by prime factorization. The GCF of 520 and 240 is 40.

See Also