GCF for 40 and 700

What is the Greatest common Divisor of 40 and 700?

Answer: GCF of 40 and 700 is 20

(Twenty)

Finding GCF for 40 and 700 using all factors (divisors) listing

The first method to find GCF for numbers 40 and 700 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 700: 1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700

So the Greatest Common Factor for 40 and 700 is 20

Finding GCF for 40 and 700 by Prime Factorization

The second method to find GCF for numbers 40 and 700 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 700: 2, 2, 5, 5, 7

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
2570025
267002
277001
2870028
297001
3070010
317001
327004
337001
347002
3570035
367004
377001
387002
397001
4070020
417001
4270014
437001
447004
457005
467002
477001
487004
497007
50700
517001
527004
537001
547002

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 700? (The answer is: 20). Select the first number (e.g. '40') and the second number (e.g. '700'). 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 700?

GCF of 40 and 700 is 20