GCF for 40 and 325

What is the Greatest Common Factor of 40 and 325?

Answer: GCF of 40 and 325 is 5

(Five)

Finding GCF for 40 and 325 using all factors (divisors) listing

The first method to find GCF for numbers 40 and 325 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 325: 1, 5, 13, 25, 65, 325

So the Greatest Common Factor for 40 and 325 is 5

Finding GCF for 40 and 325 by Prime Factorization

The second method to find GCF for numbers 40 and 325 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 325: 5, 5, 13

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 325

GCF Table

Number 1Number 2GCF
2532525
2632513
273251
283251
293251
303255
313251
323251
333251
343251
353255
363251
373251
383251
3932513
403255
413251
423251
433251
443251
453255
463251
473251
483251
493251
5032525
513251
5232513
533251
543251

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 325? (The answer is: 5). Select the first number (e.g. '40') and the second number (e.g. '325'). 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 325?

GCF of 40 and 325 is 5