GCF for 50 and 810

What is the Greatest common Divisor of 50 and 810?

Answer: GCF of 50 and 810 is 10

(Ten)

Finding GCF for 50 and 810 using all factors (divisors) listing

The first method to find GCF for numbers 50 and 810 is to list all factors for both numbers and pick the highest common one:

All factors of 50: 1, 2, 5, 10, 25, 50

All factors of 810: 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810

So the Greatest Common Factor for 50 and 810 is 10

Finding GCF for 50 and 810 by Prime Factorization

The second method to find GCF for numbers 50 and 810 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 50: 2, 5, 5

All Prime Factors of 810: 2, 3, 3, 3, 3, 5

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
358105
3681018
378101
388102
398103
4081010
418101
428106
438101
448102
4581045
468102
478101
488106
498101
5081010
518103
528102
538101
5481054
558105
568102
578103
588102
598101
6081030
618101
628102
638109
648102

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 50 and 810? (The answer is: 10). Select the first number (e.g. '50') and the second number (e.g. '810'). 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 50 and 810?

GCF of 50 and 810 is 10