What is the Greatest Common Factor of 7978 and 7997?

Greatest common factor (GCF) of 7978 and 7997 is 1.

GCF(7978,7997) = 1

We will now calculate the prime factors of 7978 and 7997, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7978 and 7997.

How to find the GCF of 7978 and 7997?

We will first find the prime factorization of 7978 and 7997. After we will calculate the factors of 7978 and 7997 and find the biggest common factor number .

Step-1: Prime Factorization of 7978

Prime factors of 7978 are 2, 3989. Prime factorization of 7978 in exponential form is:

7978 = 2¹ × 3989¹

Step-2: Prime Factorization of 7997

Prime factors of 7997 are 11, 727. Prime factorization of 7997 in exponential form is:

7997 = 11¹ × 727¹

Step-3: Factors of 7978

List of positive integer factors of 7978 that divides 7978 without a remainder.

1, 2, 3989

Step-4: Factors of 7997

List of positive integer factors of 7997 that divides 7978 without a remainder.

1, 11, 727

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7978 and 7997. The biggest common factor number is the GCF number.
So the greatest common factor 7978 and 7997 is 1.

Also check out the Least Common Multiple of 7978 and 7997