Greatest Common Factor of 1138 and 1142

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 1138, 1142 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1138 and 1142 is 2.

GCF(1138,1142) = 2

GCF of 1138 and 1142

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

GCF of:
and

Greatest Common Factor of 1138 and 1142

GCF of 1138 and 1142 is 2

Prime Factorization of 1138


2 1138
569 569
1

Prime factors of 1138 are 2,569. Prime factorization of 1138 in exponential form is:

1138 = 21×5691

Prime Factorization of 1142


2 1142
571 571
1

Prime factors of 1142 are 2,571. Prime factorization of 1142 in exponential form is:

1142 = 21×5711

∴ So by taking common prime factors GCF of 1138 and 1142 is 2

Greatest Common Factor of 1138 and 1142 by matching factors method

Factors of 1138

List of positive integer factors of 1138 that divides 1138 without a remainder.

1,2,569,1138

Factors of 1142

List of positive integer factors of 1142 that divides 1142 without a remainder.

1,2,571,1142

Greatest Common Factor

We found the factors and prime factorization of 1138 and 1142. The biggest common factor number is the GCF number.
So the greatest common factor 1138 and 1142 is 2.

Also check out the Least Common Multiple of 1138 and 1142

Properties of GCF 1138 and 1142

(i) The GCF of 1138 and 1142 is associative

GCF of 1138 and 1142 = GCF of 1142 and 1138

Frequently Asked Questions on GCF of 1138 and 1142

1. What is the GCF of 1138 and 1142?

Answer: GCF of 1138 and 1142 is 2.

2. What are the Factors of 1138?

Answer: Factors of 1138 are 1, 2, 569, 1138. There are 4 integers that are factors of 1138. The greatest factor of 1138 is 1138.

3. What are the Factors of 1142?

Answer: Factors of 1142 are 1, 2, 571, 1142. There are 4 integers that are factors of 1142. The greatest factor of 1142 is 1142.

4. How to Find the GCF of 1138 and 1142?

Answer:

Greatest Common Factor of 1138 and 1142 = 2

Step 1: Find the prime factorization of 1138

1138 = 2 x 569

Step 2: Find the prime factorization of 1142

1142 = 2 x 571

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

GCF = 2

Step 4: Therefore, the greatest common factor of 1138 and 1142 is 2