GCF for 40 and 795

What is the Greatest Common Factor of 40 and 795?

Answer: GCF of 40 and 795 is 5

(Five)

Finding GCF for 40 and 795 using all factors (divisors) listing

The first method to find GCF for numbers 40 and 795 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 795: 1, 3, 5, 15, 53, 159, 265, 795

So the Greatest Common Factor for 40 and 795 is 5

Finding GCF for 40 and 795 by Prime Factorization

The second method to find GCF for numbers 40 and 795 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 795: 3, 5, 53

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 40 and 795

GCF Table

Number 1Number 2GCF
257955
267951
277953
287951
297951
3079515
317951
327951
337953
347951
357955
367953
377951
387951
397953
407955
417951
427953
437951
447951
4579515
467951
477951
487953
497951
507955
517953
527951
5379553
547953

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 40 and 795? (The answer is: 5). Select the first number (e.g. '40') and the second number (e.g. '795'). 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 40 and 795?

GCF of 40 and 795 is 5