What is the Greatest Common Factor of 28431 and 28435?

Greatest common factor (GCF) of 28431 and 28435 is 1.

GCF(28431,28435) = 1

We will now calculate the prime factors of 28431 and 28435, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28431 and 28435.

How to find the GCF of 28431 and 28435?

We will first find the prime factorization of 28431 and 28435. After we will calculate the factors of 28431 and 28435 and find the biggest common factor number .

Step-1: Prime Factorization of 28431

Prime factors of 28431 are 3, 13. Prime factorization of 28431 in exponential form is:

28431 = 3⁷ × 13¹

Step-2: Prime Factorization of 28435

Prime factors of 28435 are 5, 11, 47. Prime factorization of 28435 in exponential form is:

28435 = 5¹ × 11² × 47¹

Step-3: Factors of 28431

List of positive integer factors of 28431 that divides 28431 without a remainder.

1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 2187, 3159, 9477

Step-4: Factors of 28435

List of positive integer factors of 28435 that divides 28431 without a remainder.

1, 5, 11, 47, 55, 121, 235, 517, 605, 2585, 5687

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28431 and 28435. The biggest common factor number is the GCF number.
So the greatest common factor 28431 and 28435 is 1.

Also check out the Least Common Multiple of 28431 and 28435