What is the Greatest Common Factor of 23438 and 23457?

Greatest common factor (GCF) of 23438 and 23457 is 1.

GCF(23438,23457) = 1

We will now calculate the prime factors of 23438 and 23457, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 23438 and 23457.

How to find the GCF of 23438 and 23457?

We will first find the prime factorization of 23438 and 23457. After we will calculate the factors of 23438 and 23457 and find the biggest common factor number .

Step-1: Prime Factorization of 23438

Prime factors of 23438 are 2, 11719. Prime factorization of 23438 in exponential form is:

23438 = 2¹ × 11719¹

Step-2: Prime Factorization of 23457

Prime factors of 23457 are 3, 7, 1117. Prime factorization of 23457 in exponential form is:

23457 = 3¹ × 7¹ × 1117¹

Step-3: Factors of 23438

List of positive integer factors of 23438 that divides 23438 without a remainder.

1, 2, 11719

Step-4: Factors of 23457

List of positive integer factors of 23457 that divides 23438 without a remainder.

1, 3, 7, 21, 1117, 3351, 7819

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 23438 and 23457. The biggest common factor number is the GCF number.
So the greatest common factor 23438 and 23457 is 1.

Also check out the Least Common Multiple of 23438 and 23457