What is the Greatest Common Factor of 11978 and 11983?

Greatest common factor (GCF) of 11978 and 11983 is 1.

GCF(11978,11983) = 1

We will now calculate the prime factors of 11978 and 11983, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 11978 and 11983.

How to find the GCF of 11978 and 11983?

We will first find the prime factorization of 11978 and 11983. After we will calculate the factors of 11978 and 11983 and find the biggest common factor number .

Step-1: Prime Factorization of 11978

Prime factors of 11978 are 2, 53, 113. Prime factorization of 11978 in exponential form is:

11978 = 2¹ × 53¹ × 113¹

Step-2: Prime Factorization of 11983

Prime factors of 11983 are 23, 521. Prime factorization of 11983 in exponential form is:

11983 = 23¹ × 521¹

Step-3: Factors of 11978

List of positive integer factors of 11978 that divides 11978 without a remainder.

1, 2, 53, 106, 113, 226, 5989

Step-4: Factors of 11983

List of positive integer factors of 11983 that divides 11978 without a remainder.

1, 23, 521

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 11978 and 11983. The biggest common factor number is the GCF number.
So the greatest common factor 11978 and 11983 is 1.

Also check out the Least Common Multiple of 11978 and 11983