What is the Greatest Common Factor of 19313 and 19321?

Greatest common factor (GCF) of 19313 and 19321 is 1.

GCF(19313,19321) = 1

We will now calculate the prime factors of 19313 and 19321, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19313 and 19321.

How to find the GCF of 19313 and 19321?

We will first find the prime factorization of 19313 and 19321. After we will calculate the factors of 19313 and 19321 and find the biggest common factor number .

Step-1: Prime Factorization of 19313

Prime factors of 19313 are 7, 31, 89. Prime factorization of 19313 in exponential form is:

19313 = 7¹ × 31¹ × 89¹

Step-2: Prime Factorization of 19321

Prime factors of 19321 are 139. Prime factorization of 19321 in exponential form is:

19321 = 139²

Step-3: Factors of 19313

List of positive integer factors of 19313 that divides 19313 without a remainder.

1, 7, 31, 89, 217, 623, 2759

Step-4: Factors of 19321

List of positive integer factors of 19321 that divides 19313 without a remainder.

1, 139

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19313 and 19321. The biggest common factor number is the GCF number.
So the greatest common factor 19313 and 19321 is 1.

Also check out the Least Common Multiple of 19313 and 19321