What is the Greatest Common Factor of 110 and 121?

Greatest common factor (GCF) of 110 and 121 is 11.

GCF(110,121) = 11

We will now calculate the prime factors of 110 and 121, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 110 and 121.

How to find the GCF of 110 and 121?

We will first find the prime factorization of 110 and 121. After we will calculate the factors of 110 and 121 and find the biggest common factor number .

Step-1: Prime Factorization of 110

Prime factors of 110 are 2, 5, 11. Prime factorization of 110 in exponential form is:

110 = 2¹ × 5¹ × 11¹

Step-2: Prime Factorization of 121

Prime factors of 121 are 11. Prime factorization of 121 in exponential form is:

121 = 11²

Step-3: Factors of 110

List of positive integer factors of 110 that divides 110 without a remainder.

1, 2, 5, 10, 11, 22, 55

Step-4: Factors of 121

List of positive integer factors of 121 that divides 110 without a remainder.

1, 11

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 110 and 121. The biggest common factor number is the GCF number.
So the greatest common factor 110 and 121 is 11.

Also check out the Least Common Multiple of 110 and 121