What is the Greatest Common Factor of 85143 and 85161?

Greatest common factor (GCF) of 85143 and 85161 is 3.

GCF(85143,85161) = 3

We will now calculate the prime factors of 85143 and 85161, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85143 and 85161.

How to find the GCF of 85143 and 85161?

We will first find the prime factorization of 85143 and 85161. After we will calculate the factors of 85143 and 85161 and find the biggest common factor number .

Step-1: Prime Factorization of 85143

Prime factors of 85143 are 3, 101, 281. Prime factorization of 85143 in exponential form is:

85143 = 3¹ × 101¹ × 281¹

Step-2: Prime Factorization of 85161

Prime factors of 85161 are 3, 28387. Prime factorization of 85161 in exponential form is:

85161 = 3¹ × 28387¹

Step-3: Factors of 85143

List of positive integer factors of 85143 that divides 85143 without a remainder.

1, 3, 101, 281, 303, 843, 28381

Step-4: Factors of 85161

List of positive integer factors of 85161 that divides 85143 without a remainder.

1, 3, 28387

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85143 and 85161. The biggest common factor number is the GCF number.
So the greatest common factor 85143 and 85161 is 3.

Also check out the Least Common Multiple of 85143 and 85161