What is the Greatest Common Factor of 81170 and 81189?

Greatest common factor (GCF) of 81170 and 81189 is 1.

GCF(81170,81189) = 1

We will now calculate the prime factors of 81170 and 81189, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81170 and 81189.

How to find the GCF of 81170 and 81189?

We will first find the prime factorization of 81170 and 81189. After we will calculate the factors of 81170 and 81189 and find the biggest common factor number .

Step-1: Prime Factorization of 81170

Prime factors of 81170 are 2, 5, 8117. Prime factorization of 81170 in exponential form is:

81170 = 2¹ × 5¹ × 8117¹

Step-2: Prime Factorization of 81189

Prime factors of 81189 are 3, 31, 97. Prime factorization of 81189 in exponential form is:

81189 = 3³ × 31¹ × 97¹

Step-3: Factors of 81170

List of positive integer factors of 81170 that divides 81170 without a remainder.

1, 2, 5, 10, 8117, 16234, 40585

Step-4: Factors of 81189

List of positive integer factors of 81189 that divides 81170 without a remainder.

1, 3, 9, 27, 31, 93, 97, 279, 291, 837, 873, 2619, 3007, 9021, 27063

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81170 and 81189. The biggest common factor number is the GCF number.
So the greatest common factor 81170 and 81189 is 1.

Also check out the Least Common Multiple of 81170 and 81189