What is the Greatest Common Factor of 78993 and 79009?

Greatest common factor (GCF) of 78993 and 79009 is 1.

GCF(78993,79009) = 1

We will now calculate the prime factors of 78993 and 79009, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78993 and 79009.

How to find the GCF of 78993 and 79009?

We will first find the prime factorization of 78993 and 79009. After we will calculate the factors of 78993 and 79009 and find the biggest common factor number .

Step-1: Prime Factorization of 78993

Prime factors of 78993 are 3, 67, 131. Prime factorization of 78993 in exponential form is:

78993 = 3² × 67¹ × 131¹

Step-2: Prime Factorization of 79009

Prime factors of 79009 are 7, 11287. Prime factorization of 79009 in exponential form is:

79009 = 7¹ × 11287¹

Step-3: Factors of 78993

List of positive integer factors of 78993 that divides 78993 without a remainder.

1, 3, 9, 67, 131, 201, 393, 603, 1179, 8777, 26331

Step-4: Factors of 79009

List of positive integer factors of 79009 that divides 78993 without a remainder.

1, 7, 11287

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78993 and 79009. The biggest common factor number is the GCF number.
So the greatest common factor 78993 and 79009 is 1.

Also check out the Least Common Multiple of 78993 and 79009