What is the Greatest Common Factor of 77170 and 77189?

Greatest common factor (GCF) of 77170 and 77189 is 1.

GCF(77170,77189) = 1

We will now calculate the prime factors of 77170 and 77189, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77170 and 77189.

How to find the GCF of 77170 and 77189?

We will first find the prime factorization of 77170 and 77189. After we will calculate the factors of 77170 and 77189 and find the biggest common factor number .

Step-1: Prime Factorization of 77170

Prime factors of 77170 are 2, 5, 7717. Prime factorization of 77170 in exponential form is:

77170 = 2¹ × 5¹ × 7717¹

Step-2: Prime Factorization of 77189

Prime factors of 77189 are 7, 11027. Prime factorization of 77189 in exponential form is:

77189 = 7¹ × 11027¹

Step-3: Factors of 77170

List of positive integer factors of 77170 that divides 77170 without a remainder.

1, 2, 5, 10, 7717, 15434, 38585

Step-4: Factors of 77189

List of positive integer factors of 77189 that divides 77170 without a remainder.

1, 7, 11027

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77170 and 77189. The biggest common factor number is the GCF number.
So the greatest common factor 77170 and 77189 is 1.

Also check out the Least Common Multiple of 77170 and 77189