What is the Greatest Common Factor of 79978 and 79994?

Greatest common factor (GCF) of 79978 and 79994 is 2.

GCF(79978,79994) = 2

We will now calculate the prime factors of 79978 and 79994, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79978 and 79994.

How to find the GCF of 79978 and 79994?

We will first find the prime factorization of 79978 and 79994. After we will calculate the factors of 79978 and 79994 and find the biggest common factor number .

Step-1: Prime Factorization of 79978

Prime factors of 79978 are 2, 39989. Prime factorization of 79978 in exponential form is:

79978 = 2¹ × 39989¹

Step-2: Prime Factorization of 79994

Prime factors of 79994 are 2, 23, 37, 47. Prime factorization of 79994 in exponential form is:

79994 = 2¹ × 23¹ × 37¹ × 47¹

Step-3: Factors of 79978

List of positive integer factors of 79978 that divides 79978 without a remainder.

1, 2, 39989

Step-4: Factors of 79994

List of positive integer factors of 79994 that divides 79978 without a remainder.

1, 2, 23, 37, 46, 47, 74, 94, 851, 1081, 1702, 1739, 2162, 3478, 39997

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79978 and 79994. The biggest common factor number is the GCF number.
So the greatest common factor 79978 and 79994 is 2.

Also check out the Least Common Multiple of 79978 and 79994