What is the Greatest Common Factor of 28489 and 28505?

Greatest common factor (GCF) of 28489 and 28505 is 1.

GCF(28489,28505) = 1

We will now calculate the prime factors of 28489 and 28505, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28489 and 28505.

How to find the GCF of 28489 and 28505?

We will first find the prime factorization of 28489 and 28505. After we will calculate the factors of 28489 and 28505 and find the biggest common factor number .

Step-1: Prime Factorization of 28489

Prime factors of 28489 are 31, 919. Prime factorization of 28489 in exponential form is:

28489 = 31¹ × 919¹

Step-2: Prime Factorization of 28505

Prime factors of 28505 are 5, 5701. Prime factorization of 28505 in exponential form is:

28505 = 5¹ × 5701¹

Step-3: Factors of 28489

List of positive integer factors of 28489 that divides 28489 without a remainder.

1, 31, 919

Step-4: Factors of 28505

List of positive integer factors of 28505 that divides 28489 without a remainder.

1, 5, 5701

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28489 and 28505. The biggest common factor number is the GCF number.
So the greatest common factor 28489 and 28505 is 1.

Also check out the Least Common Multiple of 28489 and 28505