GCF and LCM Calculator Logo

What is the Greatest Common Factor of 1151 and 1158?

Greatest common factor (GCF) of 1151 and 1158 is 1.

GCF(1151,1158) = 1

We will now calculate the prime factors of 1151 and 1158, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1151 and 1158.

GCF Calculator and
and

How to find the GCF of 1151 and 1158?

We will first find the prime factorization of 1151 and 1158. After we will calculate the factors of 1151 and 1158 and find the biggest common factor number .

Step-1: Prime Factorization of 1151

Prime factors of 1151 are 1151. Prime factorization of 1151 in exponential form is:

1151 = 11511

Step-2: Prime Factorization of 1158

Prime factors of 1158 are 2, 3, 193. Prime factorization of 1158 in exponential form is:

1158 = 21 × 31 × 1931

Step-3: Factors of 1151

List of positive integer factors of 1151 that divides 1151 without a remainder.

1

Step-4: Factors of 1158

List of positive integer factors of 1158 that divides 1151 without a remainder.

1, 2, 3, 6, 193, 386, 579

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1151 and 1158. The biggest common factor number is the GCF number.
So the greatest common factor 1151 and 1158 is 1.

Also check out the Least Common Multiple of 1151 and 1158