What is the Greatest Common Factor of 55978 and 55989?

Greatest common factor (GCF) of 55978 and 55989 is 1.

GCF(55978,55989) = 1

We will now calculate the prime factors of 55978 and 55989, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55978 and 55989.

How to find the GCF of 55978 and 55989?

We will first find the prime factorization of 55978 and 55989. After we will calculate the factors of 55978 and 55989 and find the biggest common factor number .

Step-1: Prime Factorization of 55978

Prime factors of 55978 are 2, 13, 2153. Prime factorization of 55978 in exponential form is:

55978 = 2¹ × 13¹ × 2153¹

Step-2: Prime Factorization of 55989

Prime factors of 55989 are 3, 6221. Prime factorization of 55989 in exponential form is:

55989 = 3² × 6221¹

Step-3: Factors of 55978

List of positive integer factors of 55978 that divides 55978 without a remainder.

1, 2, 13, 26, 2153, 4306, 27989

Step-4: Factors of 55989

List of positive integer factors of 55989 that divides 55978 without a remainder.

1, 3, 9, 6221, 18663

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55978 and 55989. The biggest common factor number is the GCF number.
So the greatest common factor 55978 and 55989 is 1.

Also check out the Least Common Multiple of 55978 and 55989