What is the Greatest Common Factor of 28691 and 28705?

Greatest common factor (GCF) of 28691 and 28705 is 1.

GCF(28691,28705) = 1

We will now calculate the prime factors of 28691 and 28705, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28691 and 28705.

How to find the GCF of 28691 and 28705?

We will first find the prime factorization of 28691 and 28705. After we will calculate the factors of 28691 and 28705 and find the biggest common factor number .

Step-1: Prime Factorization of 28691

Prime factors of 28691 are 13, 2207. Prime factorization of 28691 in exponential form is:

28691 = 13¹ × 2207¹

Step-2: Prime Factorization of 28705

Prime factors of 28705 are 5, 5741. Prime factorization of 28705 in exponential form is:

28705 = 5¹ × 5741¹

Step-3: Factors of 28691

List of positive integer factors of 28691 that divides 28691 without a remainder.

1, 13, 2207

Step-4: Factors of 28705

List of positive integer factors of 28705 that divides 28691 without a remainder.

1, 5, 5741

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28691 and 28705. The biggest common factor number is the GCF number.
So the greatest common factor 28691 and 28705 is 1.

Also check out the Least Common Multiple of 28691 and 28705