GCF for 40 and 590

What is the Greatest common Divisor of 40 and 590?

Answer: GCF of 40 and 590 is 10

(Ten)

Finding GCF for 40 and 590 using all factors (divisors) listing

The first method to find GCF for numbers 40 and 590 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 590: 1, 2, 5, 10, 59, 118, 295, 590

So the Greatest Common Factor for 40 and 590 is 10

Finding GCF for 40 and 590 by Prime Factorization

The second method to find GCF for numbers 40 and 590 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 590: 2, 5, 59

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
255905
265902
275901
285902
295901
3059010
315901
325902
335901
345902
355905
365902
375901
385902
395901
4059010
415901
425902
435901
445902
455905
465902
475901
485902
495901
5059010
515901
525902
535901
545902

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 590? (The answer is: 10). Select the first number (e.g. '40') and the second number (e.g. '590'). 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 590?

GCF of 40 and 590 is 10