What is the Greatest Common Factor of 79990 and 79999?

Greatest common factor (GCF) of 79990 and 79999 is 1.

GCF(79990,79999) = 1

We will now calculate the prime factors of 79990 and 79999, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79990 and 79999.

How to find the GCF of 79990 and 79999?

We will first find the prime factorization of 79990 and 79999. After we will calculate the factors of 79990 and 79999 and find the biggest common factor number .

Step-1: Prime Factorization of 79990

Prime factors of 79990 are 2, 5, 19, 421. Prime factorization of 79990 in exponential form is:

79990 = 2¹ × 5¹ × 19¹ × 421¹

Step-2: Prime Factorization of 79999

Prime factors of 79999 are 79999. Prime factorization of 79999 in exponential form is:

79999 = 79999¹

Step-3: Factors of 79990

List of positive integer factors of 79990 that divides 79990 without a remainder.

1, 2, 5, 10, 19, 38, 95, 190, 421, 842, 2105, 4210, 7999, 15998, 39995

Step-4: Factors of 79999

List of positive integer factors of 79999 that divides 79990 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79990 and 79999. The biggest common factor number is the GCF number.
So the greatest common factor 79990 and 79999 is 1.

Also check out the Least Common Multiple of 79990 and 79999