What is the Greatest Common Factor of 20310 and 20321?

Greatest common factor (GCF) of 20310 and 20321 is 1.

GCF(20310,20321) = 1

We will now calculate the prime factors of 20310 and 20321, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20310 and 20321.

How to find the GCF of 20310 and 20321?

We will first find the prime factorization of 20310 and 20321. After we will calculate the factors of 20310 and 20321 and find the biggest common factor number .

Step-1: Prime Factorization of 20310

Prime factors of 20310 are 2, 3, 5, 677. Prime factorization of 20310 in exponential form is:

20310 = 2¹ × 3¹ × 5¹ × 677¹

Step-2: Prime Factorization of 20321

Prime factors of 20321 are 7, 2903. Prime factorization of 20321 in exponential form is:

20321 = 7¹ × 2903¹

Step-3: Factors of 20310

List of positive integer factors of 20310 that divides 20310 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 677, 1354, 2031, 3385, 4062, 6770, 10155

Step-4: Factors of 20321

List of positive integer factors of 20321 that divides 20310 without a remainder.

1, 7, 2903

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20310 and 20321. The biggest common factor number is the GCF number.
So the greatest common factor 20310 and 20321 is 1.

Also check out the Least Common Multiple of 20310 and 20321