What is the Greatest Common Factor of 20313 and 20319?

Greatest common factor (GCF) of 20313 and 20319 is 3.

GCF(20313,20319) = 3

We will now calculate the prime factors of 20313 and 20319, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20313 and 20319.

How to find the GCF of 20313 and 20319?

We will first find the prime factorization of 20313 and 20319. After we will calculate the factors of 20313 and 20319 and find the biggest common factor number .

Step-1: Prime Factorization of 20313

Prime factors of 20313 are 3, 37, 61. Prime factorization of 20313 in exponential form is:

20313 = 3² × 37¹ × 61¹

Step-2: Prime Factorization of 20319

Prime factors of 20319 are 3, 13, 521. Prime factorization of 20319 in exponential form is:

20319 = 3¹ × 13¹ × 521¹

Step-3: Factors of 20313

List of positive integer factors of 20313 that divides 20313 without a remainder.

1, 3, 9, 37, 61, 111, 183, 333, 549, 2257, 6771

Step-4: Factors of 20319

List of positive integer factors of 20319 that divides 20313 without a remainder.

1, 3, 13, 39, 521, 1563, 6773

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20313 and 20319. The biggest common factor number is the GCF number.
So the greatest common factor 20313 and 20319 is 3.

Also check out the Least Common Multiple of 20313 and 20319