GCF for 40 and 175

What is the Greatest common Divisor of 40 and 175?

Answer: GCF of 40 and 175 is 5

(Five)

Finding GCF for 40 and 175 using all factors (divisors) listing

The first method to find GCF for numbers 40 and 175 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 175: 1, 5, 7, 25, 35, 175

So the Greatest Common Factor for 40 and 175 is 5

Finding GCF for 40 and 175 by Prime Factorization

The second method to find GCF for numbers 40 and 175 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 175: 5, 5, 7

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 175

Related Calculations

GCF Table

Number 1Number 2GCF
2517525
261751
271751
281757
291751
301755
311751
321751
331751
341751
3517535
361751
371751
381751
391751
401755
411751
421757
431751
441751
451755
461751
471751
481751
491757
50175
511751
521751
531751
541751

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 175? (The answer is: 5). Select the first number (e.g. '40') and the second number (e.g. '175'). 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 175?

GCF of 40 and 175 is 5