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What is the Greatest Common Factor of 28603 and 28609?

Greatest common factor (GCF) of 28603 and 28609 is 1.

GCF(28603,28609) = 1

We will now calculate the prime factors of 28603 and 28609, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28603 and 28609.

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How to find the GCF of 28603 and 28609?

We will first find the prime factorization of 28603 and 28609. After we will calculate the factors of 28603 and 28609 and find the biggest common factor number .

Step-1: Prime Factorization of 28603

Prime factors of 28603 are 28603. Prime factorization of 28603 in exponential form is:

28603 = 286031

Step-2: 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-3: Factors of 28603

List of positive integer factors of 28603 that divides 28603 without a remainder.

1

Step-4: Factors of 28609

List of positive integer factors of 28609 that divides 28603 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28603 and 28609. The biggest common factor number is the GCF number.
So the greatest common factor 28603 and 28609 is 1.

Also check out the Least Common Multiple of 28603 and 28609