What is the Greatest Common Factor of 19424 and 19442?

Greatest common factor (GCF) of 19424 and 19442 is 2.

GCF(19424,19442) = 2

We will now calculate the prime factors of 19424 and 19442, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19424 and 19442.

How to find the GCF of 19424 and 19442?

We will first find the prime factorization of 19424 and 19442. After we will calculate the factors of 19424 and 19442 and find the biggest common factor number .

Step-1: Prime Factorization of 19424

Prime factors of 19424 are 2, 607. Prime factorization of 19424 in exponential form is:

19424 = 2⁵ × 607¹

Step-2: Prime Factorization of 19442

Prime factors of 19442 are 2, 9721. Prime factorization of 19442 in exponential form is:

19442 = 2¹ × 9721¹

Step-3: Factors of 19424

List of positive integer factors of 19424 that divides 19424 without a remainder.

1, 2, 4, 8, 16, 32, 607, 1214, 2428, 4856, 9712

Step-4: Factors of 19442

List of positive integer factors of 19442 that divides 19424 without a remainder.

1, 2, 9721

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19424 and 19442. The biggest common factor number is the GCF number.
So the greatest common factor 19424 and 19442 is 2.

Also check out the Least Common Multiple of 19424 and 19442