GCF for 50 and 820

What is the Greatest common Divisor of 50 and 820?

Answer: GCF of 50 and 820 is 10

(Ten)

Finding GCF for 50 and 820 using all factors (divisors) listing

The first method to find GCF for numbers 50 and 820 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 820: 1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820

So the Greatest Common Factor for 50 and 820 is 10

Finding GCF for 50 and 820 by Prime Factorization

The second method to find GCF for numbers 50 and 820 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 820: 2, 2, 5, 41

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
358205
368204
378201
388202
398201
4082020
4182041
428202
438201
448204
458205
468202
478201
488204
498201
5082010
518201
528204
538201
548202
558205
568204
578201
588202
598201
6082020
618201
628202
638201
648204

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 820? (The answer is: 10). Select the first number (e.g. '50') and the second number (e.g. '820'). 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 820?

GCF of 50 and 820 is 10