Greatest Common Factor of 1120 and 1121

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 1120, 1121 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1120 and 1121 is 1.

GCF(1120,1121) = 1

GCF of 1120 and 1121

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

GCF of:
and

Greatest Common Factor of 1120 and 1121

GCF of 1120 and 1121 is 1

Prime Factorization of 1120


2 1120
2 560
2 280
2 140
2 70
5 35
7 7
1

Prime factors of 1120 are 2,5,7. Prime factorization of 1120 in exponential form is:

1120 = 25×51×71

Prime Factorization of 1121


19 1121
59 59
1

Prime factors of 1121 are 19,59. Prime factorization of 1121 in exponential form is:

1121 = 191×591

∴ So by taking common prime factors GCF of 1120 and 1121 is 1

Greatest Common Factor of 1120 and 1121 by matching factors method

Factors of 1120

List of positive integer factors of 1120 that divides 1120 without a remainder.

1,2,4,5,7,8,10,14,16,20,28,32,35,40,56,70,80,112,140,160,224,280,560,1120

Factors of 1121

List of positive integer factors of 1121 that divides 1121 without a remainder.

1,19,59,1121

Greatest Common Factor

We found the factors and prime factorization of 1120 and 1121. The biggest common factor number is the GCF number.
So the greatest common factor 1120 and 1121 is 1.

Also check out the Least Common Multiple of 1120 and 1121

Properties of GCF 1120 and 1121

(i) The GCF of 1120 and 1121 is associative

GCF of 1120 and 1121 = GCF of 1121 and 1120

Related Greatest Common Factor of 1120

Related Greatest Common Factor of 1121

Frequently Asked Questions on GCF of 1120 and 1121

1. What is the GCF of 1120 and 1121?

Answer: GCF of 1120 and 1121 is 1.

2. What are the Factors of 1120?

Answer: Factors of 1120 are 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120. There are 24 integers that are factors of 1120. The greatest factor of 1120 is 1120.

3. What are the Factors of 1121?

Answer: Factors of 1121 are 1, 19, 59, 1121. There are 4 integers that are factors of 1121. The greatest factor of 1121 is 1121.

4. How to Find the GCF of 1120 and 1121?

Answer:

Greatest Common Factor of 1120 and 1121 = 1

Step 1: Find the prime factorization of 1120

1120 = 2 x 2 x 2 x 2 x 2 x 5 x 7

Step 2: Find the prime factorization of 1121

1121 = 19 x 59

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 1120 and 1121 is 1