Greatest Common Factor of 561 and 562

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 561, 562 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 561 and 562 is 1.

GCF(561,562) = 1

GCF of 561 and 562

Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;

GCF of:
and

Greatest Common Factor of 561 and 562

GCF of 561 and 562 is 1

Prime Factorization of 561


3 561
11 187
17 17
1

Prime factors of 561 are 3,11,17. Prime factorization of 561 in exponential form is:

561 = 31×111×171

Prime Factorization of 562


2 562
281 281
1

Prime factors of 562 are 2,281. Prime factorization of 562 in exponential form is:

562 = 21×2811

∴ So by taking common prime factors GCF of 561 and 562 is 1

Greatest Common Factor of 561 and 562 by matching factors method

Factors of 561

List of positive integer factors of 561 that divides 561 without a remainder.

1,3,11,17,33,51,187,561

Factors of 562

List of positive integer factors of 562 that divides 562 without a remainder.

1,2,281,562

Greatest Common Factor

We found the factors and prime factorization of 561 and 562. The biggest common factor number is the GCF number.
So the greatest common factor 561 and 562 is 1.

Also check out the Least Common Multiple of 561 and 562

Properties of GCF 561 and 562

(i) The GCF of 561 and 562 is associative

GCF of 561 and 562 = GCF of 562 and 561

Related Greatest Common Factor of 561

Related Greatest Common Factor of 562

Frequently Asked Questions on GCF of 561 and 562

1. What is the GCF of 561 and 562?

Answer: GCF of 561 and 562 is 1.

2. What are the Factors of 561?

Answer: Factors of 561 are 1, 3, 11, 17, 33, 51, 187, 561. There are 8 integers that are factors of 561. The greatest factor of 561 is 561.

3. What are the Factors of 562?

Answer: Factors of 562 are 1, 2, 281, 562. There are 4 integers that are factors of 562. The greatest factor of 562 is 562.

4. How to Find the GCF of 561 and 562?

Answer:

Greatest Common Factor of 561 and 562 = 1

Step 1: Find the prime factorization of 561

561 = 3 x 11 x 17

Step 2: Find the prime factorization of 562

562 = 2 x 281

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = = 1

Step 4: Therefore, the greatest common factor of 561 and 562 is 1