What is the Greatest Common Factor of 1040 and 1060?

Greatest common factor (GCF) of 1040 and 1060 is 20.

GCF(1040,1060) = 20

We will now calculate the prime factors of 1040 and 1060, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1040 and 1060.

How to find the GCF of 1040 and 1060?

We will first find the prime factorization of 1040 and 1060. After we will calculate the factors of 1040 and 1060 and find the biggest common factor number .

Step-1: Prime Factorization of 1040

Prime factors of 1040 are 2, 5, 13. Prime factorization of 1040 in exponential form is:

1040 = 2⁴ × 5¹ × 13¹

Step-2: Prime Factorization of 1060

Prime factors of 1060 are 2, 5, 53. Prime factorization of 1060 in exponential form is:

1060 = 2² × 5¹ × 53¹

Step-3: Factors of 1040

List of positive integer factors of 1040 that divides 1040 without a remainder.

1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520

Step-4: Factors of 1060

List of positive integer factors of 1060 that divides 1040 without a remainder.

1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1040 and 1060. The biggest common factor number is the GCF number.
So the greatest common factor 1040 and 1060 is 20.

Also check out the Least Common Multiple of 1040 and 1060