What is the Greatest Common Factor of 85431 and 85446?

Greatest common factor (GCF) of 85431 and 85446 is 3.

GCF(85431,85446) = 3

We will now calculate the prime factors of 85431 and 85446, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85431 and 85446.

How to find the GCF of 85431 and 85446?

We will first find the prime factorization of 85431 and 85446. After we will calculate the factors of 85431 and 85446 and find the biggest common factor number .

Step-1: Prime Factorization of 85431

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

85431 = 3¹ × 28477¹

Step-2: Prime Factorization of 85446

Prime factors of 85446 are 2, 3, 47, 101. Prime factorization of 85446 in exponential form is:

85446 = 2¹ × 3² × 47¹ × 101¹

Step-3: Factors of 85431

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

1, 3, 28477

Step-4: Factors of 85446

List of positive integer factors of 85446 that divides 85431 without a remainder.

1, 2, 3, 6, 9, 18, 47, 94, 101, 141, 202, 282, 303, 423, 606, 846, 909, 1818, 4747, 9494, 14241, 28482, 42723

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85431 and 85446. The biggest common factor number is the GCF number.
So the greatest common factor 85431 and 85446 is 3.

Also check out the Least Common Multiple of 85431 and 85446