What is the Greatest Common Factor of 79978 and 79987?

Greatest common factor (GCF) of 79978 and 79987 is 1.

GCF(79978,79987) = 1

We will now calculate the prime factors of 79978 and 79987, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79978 and 79987.

How to find the GCF of 79978 and 79987?

We will first find the prime factorization of 79978 and 79987. After we will calculate the factors of 79978 and 79987 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 79987

Prime factors of 79987 are 79987. Prime factorization of 79987 in exponential form is:

79987 = 79987¹

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 79987

List of positive integer factors of 79987 that divides 79978 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79978 and 79987. The biggest common factor number is the GCF number.
So the greatest common factor 79978 and 79987 is 1.

Also check out the Least Common Multiple of 79978 and 79987