GCF for 40 and 570

What is the Greatest common Divisor of 40 and 570?

Answer: GCF of 40 and 570 is 10

(Ten)

Finding GCF for 40 and 570 using all factors (divisors) listing

The first method to find GCF for numbers 40 and 570 is to list all factors for both numbers and pick the highest common one:

All factors of 40: 1, 2, 4, 5, 8, 10, 20, 40

All factors of 570: 1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570

So the Greatest Common Factor for 40 and 570 is 10

Finding GCF for 40 and 570 by Prime Factorization

The second method to find GCF for numbers 40 and 570 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 40: 2, 2, 2, 5

All Prime Factors of 570: 2, 3, 5, 19

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

Now we need to multiply them to find GCF: 2 × 5 = 10

GCF Table

Number 1Number 2GCF
255705
265702
275703
285702
295701
3057030
315701
325702
335703
345702
355705
365706
375701
3857038
395703
4057010
415701
425706
435701
445702
4557015
465702
475701
485706
495701
5057010
515703
525702
535701
545706

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 40 and 570? (The answer is: 10). Select the first number (e.g. '40') and the second number (e.g. '570'). 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 40 and 570?

GCF of 40 and 570 is 10