What is the Greatest Common Factor of 38442 and 38457?

Greatest common factor (GCF) of 38442 and 38457 is 3.

GCF(38442,38457) = 3

We will now calculate the prime factors of 38442 and 38457, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38442 and 38457.

How to find the GCF of 38442 and 38457?

We will first find the prime factorization of 38442 and 38457. After we will calculate the factors of 38442 and 38457 and find the biggest common factor number .

Step-1: Prime Factorization of 38442

Prime factors of 38442 are 2, 3, 43, 149. Prime factorization of 38442 in exponential form is:

38442 = 2¹ × 3¹ × 43¹ × 149¹

Step-2: Prime Factorization of 38457

Prime factors of 38457 are 3, 4273. Prime factorization of 38457 in exponential form is:

38457 = 3² × 4273¹

Step-3: Factors of 38442

List of positive integer factors of 38442 that divides 38442 without a remainder.

1, 2, 3, 6, 43, 86, 129, 149, 258, 298, 447, 894, 6407, 12814, 19221

Step-4: Factors of 38457

List of positive integer factors of 38457 that divides 38442 without a remainder.

1, 3, 9, 4273, 12819

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38442 and 38457. The biggest common factor number is the GCF number.
So the greatest common factor 38442 and 38457 is 3.

Also check out the Least Common Multiple of 38442 and 38457