What is the Greatest Common Factor of 28911 and 28919?

Greatest common factor (GCF) of 28911 and 28919 is 1.

GCF(28911,28919) = 1

We will now calculate the prime factors of 28911 and 28919, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28911 and 28919.

How to find the GCF of 28911 and 28919?

We will first find the prime factorization of 28911 and 28919. After we will calculate the factors of 28911 and 28919 and find the biggest common factor number .

Step-1: Prime Factorization of 28911

Prime factors of 28911 are 3, 23, 419. Prime factorization of 28911 in exponential form is:

28911 = 3¹ × 23¹ × 419¹

Step-2: Prime Factorization of 28919

Prime factors of 28919 are 11, 239. Prime factorization of 28919 in exponential form is:

28919 = 11² × 239¹

Step-3: Factors of 28911

List of positive integer factors of 28911 that divides 28911 without a remainder.

1, 3, 23, 69, 419, 1257, 9637

Step-4: Factors of 28919

List of positive integer factors of 28919 that divides 28911 without a remainder.

1, 11, 121, 239, 2629

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28911 and 28919. The biggest common factor number is the GCF number.
So the greatest common factor 28911 and 28919 is 1.

Also check out the Least Common Multiple of 28911 and 28919