What is the Greatest Common Factor of 1024 and 1040?

Greatest common factor (GCF) of 1024 and 1040 is 16.

GCF(1024,1040) = 16

We will now calculate the prime factors of 1024 and 1040, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1024 and 1040.

How to find the GCF of 1024 and 1040?

We will first find the prime factorization of 1024 and 1040. After we will calculate the factors of 1024 and 1040 and find the biggest common factor number .

Step-1: Prime Factorization of 1024

Prime factors of 1024 are 2. Prime factorization of 1024 in exponential form is:

1024 = 2¹⁰

Step-2: 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-3: Factors of 1024

List of positive integer factors of 1024 that divides 1024 without a remainder.

1, 2, 4, 8, 16, 32, 64, 128, 256, 512

Step-4: Factors of 1040

List of positive integer factors of 1040 that divides 1024 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1024 and 1040. The biggest common factor number is the GCF number.
So the greatest common factor 1024 and 1040 is 16.

Also check out the Least Common Multiple of 1024 and 1040