What is the Greatest Common Factor of 37978 and 37991?

Greatest common factor (GCF) of 37978 and 37991 is 1.

GCF(37978,37991) = 1

We will now calculate the prime factors of 37978 and 37991, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 37978 and 37991.

How to find the GCF of 37978 and 37991?

We will first find the prime factorization of 37978 and 37991. After we will calculate the factors of 37978 and 37991 and find the biggest common factor number .

Step-1: Prime Factorization of 37978

Prime factors of 37978 are 2, 17, 1117. Prime factorization of 37978 in exponential form is:

37978 = 2¹ × 17¹ × 1117¹

Step-2: Prime Factorization of 37991

Prime factors of 37991 are 37991. Prime factorization of 37991 in exponential form is:

37991 = 37991¹

Step-3: Factors of 37978

List of positive integer factors of 37978 that divides 37978 without a remainder.

1, 2, 17, 34, 1117, 2234, 18989

Step-4: Factors of 37991

List of positive integer factors of 37991 that divides 37978 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 37978 and 37991. The biggest common factor number is the GCF number.
So the greatest common factor 37978 and 37991 is 1.

Also check out the Least Common Multiple of 37978 and 37991