What is the Greatest Common Factor of 1053 and 1068?

Greatest common factor (GCF) of 1053 and 1068 is 3.

GCF(1053,1068) = 3

We will now calculate the prime factors of 1053 and 1068, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1053 and 1068.

How to find the GCF of 1053 and 1068?

We will first find the prime factorization of 1053 and 1068. After we will calculate the factors of 1053 and 1068 and find the biggest common factor number .

Step-1: Prime Factorization of 1053

Prime factors of 1053 are 3, 13. Prime factorization of 1053 in exponential form is:

1053 = 3⁴ × 13¹

Step-2: Prime Factorization of 1068

Prime factors of 1068 are 2, 3, 89. Prime factorization of 1068 in exponential form is:

1068 = 2² × 3¹ × 89¹

Step-3: Factors of 1053

List of positive integer factors of 1053 that divides 1053 without a remainder.

1, 3, 9, 13, 27, 39, 81, 117, 351

Step-4: Factors of 1068

List of positive integer factors of 1068 that divides 1053 without a remainder.

1, 2, 3, 4, 6, 12, 89, 178, 267, 356, 534

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1053 and 1068. The biggest common factor number is the GCF number.
So the greatest common factor 1053 and 1068 is 3.

Also check out the Least Common Multiple of 1053 and 1068