What is the Greatest Common Factor of 39428 and 39432?

Greatest common factor (GCF) of 39428 and 39432 is 4.

GCF(39428,39432) = 4

We will now calculate the prime factors of 39428 and 39432, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39428 and 39432.

How to find the GCF of 39428 and 39432?

We will first find the prime factorization of 39428 and 39432. After we will calculate the factors of 39428 and 39432 and find the biggest common factor number .

Step-1: Prime Factorization of 39428

Prime factors of 39428 are 2, 9857. Prime factorization of 39428 in exponential form is:

39428 = 2² × 9857¹

Step-2: Prime Factorization of 39432

Prime factors of 39432 are 2, 3, 31, 53. Prime factorization of 39432 in exponential form is:

39432 = 2³ × 3¹ × 31¹ × 53¹

Step-3: Factors of 39428

List of positive integer factors of 39428 that divides 39428 without a remainder.

1, 2, 4, 9857, 19714

Step-4: Factors of 39432

List of positive integer factors of 39432 that divides 39428 without a remainder.

1, 2, 3, 4, 6, 8, 12, 24, 31, 53, 62, 93, 106, 124, 159, 186, 212, 248, 318, 372, 424, 636, 744, 1272, 1643, 3286, 4929, 6572, 9858, 13144, 19716

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39428 and 39432. The biggest common factor number is the GCF number.
So the greatest common factor 39428 and 39432 is 4.

Also check out the Least Common Multiple of 39428 and 39432