Greatest Common Factor of 1157 and 1161

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 1157, 1161 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1157 and 1161 is 1.

GCF(1157,1161) = 1

GCF of 1157 and 1161

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

GCF of:
and

Greatest Common Factor of 1157 and 1161

GCF of 1157 and 1161 is 1

Prime Factorization of 1157


13 1157
89 89
1

Prime factors of 1157 are 13,89. Prime factorization of 1157 in exponential form is:

1157 = 131×891

Prime Factorization of 1161


3 1161
3 387
3 129
43 43
1

Prime factors of 1161 are 3,43. Prime factorization of 1161 in exponential form is:

1161 = 33×431

∴ So by taking common prime factors GCF of 1157 and 1161 is 1

Greatest Common Factor of 1157 and 1161 by matching factors method

Factors of 1157

List of positive integer factors of 1157 that divides 1157 without a remainder.

1,13,89,1157

Factors of 1161

List of positive integer factors of 1161 that divides 1161 without a remainder.

1,3,9,27,43,129,387,1161

Greatest Common Factor

We found the factors and prime factorization of 1157 and 1161. The biggest common factor number is the GCF number.
So the greatest common factor 1157 and 1161 is 1.

Also check out the Least Common Multiple of 1157 and 1161

Properties of GCF 1157 and 1161

(i) The GCF of 1157 and 1161 is associative

GCF of 1157 and 1161 = GCF of 1161 and 1157

Related Greatest Common Factor of 1157

Related Greatest Common Factor of 1161

Frequently Asked Questions on GCF of 1157 and 1161

1. What is the GCF of 1157 and 1161?

Answer: GCF of 1157 and 1161 is 1.

2. What are the Factors of 1157?

Answer: Factors of 1157 are 1, 13, 89, 1157. There are 4 integers that are factors of 1157. The greatest factor of 1157 is 1157.

3. What are the Factors of 1161?

Answer: Factors of 1161 are 1, 3, 9, 27, 43, 129, 387, 1161. There are 8 integers that are factors of 1161. The greatest factor of 1161 is 1161.

4. How to Find the GCF of 1157 and 1161?

Answer:

Greatest Common Factor of 1157 and 1161 = 1

Step 1: Find the prime factorization of 1157

1157 = 13 x 89

Step 2: Find the prime factorization of 1161

1161 = 3 x 3 x 3 x 43

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 1157 and 1161 is 1