What is the Greatest Common Factor of 28045 and 28057?

Greatest common factor (GCF) of 28045 and 28057 is 1.

GCF(28045,28057) = 1

We will now calculate the prime factors of 28045 and 28057, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28045 and 28057.

How to find the GCF of 28045 and 28057?

We will first find the prime factorization of 28045 and 28057. After we will calculate the factors of 28045 and 28057 and find the biggest common factor number .

Step-1: Prime Factorization of 28045

Prime factors of 28045 are 5, 71, 79. Prime factorization of 28045 in exponential form is:

28045 = 5¹ × 71¹ × 79¹

Step-2: Prime Factorization of 28057

Prime factors of 28057 are 28057. Prime factorization of 28057 in exponential form is:

28057 = 28057¹

Step-3: Factors of 28045

List of positive integer factors of 28045 that divides 28045 without a remainder.

1, 5, 71, 79, 355, 395, 5609

Step-4: Factors of 28057

List of positive integer factors of 28057 that divides 28045 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28045 and 28057. The biggest common factor number is the GCF number.
So the greatest common factor 28045 and 28057 is 1.

Also check out the Least Common Multiple of 28045 and 28057