GCF and LCM Calculator Logo

What is the Greatest Common Factor of 28609 and 28625?

Greatest common factor (GCF) of 28609 and 28625 is 1.

GCF(28609,28625) = 1

We will now calculate the prime factors of 28609 and 28625, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28609 and 28625.

GCF Calculator and
and

How to find the GCF of 28609 and 28625?

We will first find the prime factorization of 28609 and 28625. After we will calculate the factors of 28609 and 28625 and find the biggest common factor number .

Step-1: Prime Factorization of 28609

Prime factors of 28609 are 7, 61, 67. Prime factorization of 28609 in exponential form is:

28609 = 71 × 611 × 671

Step-2: Prime Factorization of 28625

Prime factors of 28625 are 5, 229. Prime factorization of 28625 in exponential form is:

28625 = 53 × 2291

Step-3: Factors of 28609

List of positive integer factors of 28609 that divides 28609 without a remainder.

1, 7, 61, 67, 427, 469, 4087

Step-4: Factors of 28625

List of positive integer factors of 28625 that divides 28609 without a remainder.

1, 5, 25, 125, 229, 1145, 5725

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28609 and 28625. The biggest common factor number is the GCF number.
So the greatest common factor 28609 and 28625 is 1.

Also check out the Least Common Multiple of 28609 and 28625