What is the Greatest Common Factor of 1111 and 1122?

Greatest common factor (GCF) of 1111 and 1122 is 11.

GCF(1111,1122) = 11

We will now calculate the prime factors of 1111 and 1122, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1111 and 1122.

How to find the GCF of 1111 and 1122?

We will first find the prime factorization of 1111 and 1122. After we will calculate the factors of 1111 and 1122 and find the biggest common factor number .

Step-1: Prime Factorization of 1111

Prime factors of 1111 are 11, 101. Prime factorization of 1111 in exponential form is:

1111 = 11¹ × 101¹

Step-2: Prime Factorization of 1122

Prime factors of 1122 are 2, 3, 11, 17. Prime factorization of 1122 in exponential form is:

1122 = 2¹ × 3¹ × 11¹ × 17¹

Step-3: Factors of 1111

List of positive integer factors of 1111 that divides 1111 without a remainder.

1, 11, 101

Step-4: Factors of 1122

List of positive integer factors of 1122 that divides 1111 without a remainder.

1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 102, 187, 374, 561

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1111 and 1122. The biggest common factor number is the GCF number.
So the greatest common factor 1111 and 1122 is 11.

Also check out the Least Common Multiple of 1111 and 1122