What is the Greatest Common Factor of 1156 and 1162?

Greatest common factor (GCF) of 1156 and 1162 is 2.

GCF(1156,1162) = 2

We will now calculate the prime factors of 1156 and 1162, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1156 and 1162.

How to find the GCF of 1156 and 1162?

We will first find the prime factorization of 1156 and 1162. After we will calculate the factors of 1156 and 1162 and find the biggest common factor number .

Step-1: Prime Factorization of 1156

Prime factors of 1156 are 2, 17. Prime factorization of 1156 in exponential form is:

1156 = 2² × 17²

Step-2: Prime Factorization of 1162

Prime factors of 1162 are 2, 7, 83. Prime factorization of 1162 in exponential form is:

1162 = 2¹ × 7¹ × 83¹

Step-3: Factors of 1156

List of positive integer factors of 1156 that divides 1156 without a remainder.

1, 2, 4, 17, 34, 68, 289, 578

Step-4: Factors of 1162

List of positive integer factors of 1162 that divides 1156 without a remainder.

1, 2, 7, 14, 83, 166, 581

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1156 and 1162. The biggest common factor number is the GCF number.
So the greatest common factor 1156 and 1162 is 2.

Also check out the Least Common Multiple of 1156 and 1162