GCF for 189 and 252

What is the Greatest common Divisor of 189 and 252?

Answer: GCF of 189 and 252 is 63

(Sixty-three)

Finding GCF for 189 and 252 using all factors (divisors) listing

The first method to find GCF for numbers 189 and 252 is to list all factors for both numbers and pick the highest common one:

All factors of 189: 1, 3, 7, 9, 21, 27, 63, 189

All factors of 252: 1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252

So the Greatest Common Factor for 189 and 252 is 63

Finding GCF for 189 and 252 by Prime Factorization

The second method to find GCF for numbers 189 and 252 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 189: 3, 3, 3, 7

All Prime Factors of 252: 2, 2, 3, 3, 7

As we can see there are Prime Factors common to both numbers: 3, 3, 7

Now we need to multiply them to find GCF: 3 × 3 × 7 = 63

GCF Table

Number 1Number 2GCF
1742526
1752527
1762524
1772523
1782522
1792521
18025236
1812521
18225214
1832523
1842524
1852521
1862526
1872521
1882524
189252
1902522
1912521
19225212
1932521
1942522
1952523
19625228
1972521
19825218
1992521
2002524
2012523
2022522
2032527

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 189 and 252? (The answer is: 63). Select the first number (e.g. '189') and the second number (e.g. '252'). 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 189 and 252?

GCF of 189 and 252 is 63