What is the Greatest Common Factor of 85422 and 85431?

Greatest common factor (GCF) of 85422 and 85431 is 3.

GCF(85422,85431) = 3

We will now calculate the prime factors of 85422 and 85431, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85422 and 85431.

How to find the GCF of 85422 and 85431?

We will first find the prime factorization of 85422 and 85431. After we will calculate the factors of 85422 and 85431 and find the biggest common factor number .

Step-1: Prime Factorization of 85422

Prime factors of 85422 are 2, 3, 23, 619. Prime factorization of 85422 in exponential form is:

85422 = 2¹ × 3¹ × 23¹ × 619¹

Step-2: Prime Factorization of 85431

Prime factors of 85431 are 3, 28477. Prime factorization of 85431 in exponential form is:

85431 = 3¹ × 28477¹

Step-3: Factors of 85422

List of positive integer factors of 85422 that divides 85422 without a remainder.

1, 2, 3, 6, 23, 46, 69, 138, 619, 1238, 1857, 3714, 14237, 28474, 42711

Step-4: Factors of 85431

List of positive integer factors of 85431 that divides 85422 without a remainder.

1, 3, 28477

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85422 and 85431. The biggest common factor number is the GCF number.
So the greatest common factor 85422 and 85431 is 3.

Also check out the Least Common Multiple of 85422 and 85431