What is the Greatest Common Factor of 20378 and 20386?

Greatest common factor (GCF) of 20378 and 20386 is 2.

GCF(20378,20386) = 2

We will now calculate the prime factors of 20378 and 20386, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20378 and 20386.

How to find the GCF of 20378 and 20386?

We will first find the prime factorization of 20378 and 20386. After we will calculate the factors of 20378 and 20386 and find the biggest common factor number .

Step-1: Prime Factorization of 20378

Prime factors of 20378 are 2, 23, 443. Prime factorization of 20378 in exponential form is:

20378 = 2¹ × 23¹ × 443¹

Step-2: Prime Factorization of 20386

Prime factors of 20386 are 2, 10193. Prime factorization of 20386 in exponential form is:

20386 = 2¹ × 10193¹

Step-3: Factors of 20378

List of positive integer factors of 20378 that divides 20378 without a remainder.

1, 2, 23, 46, 443, 886, 10189

Step-4: Factors of 20386

List of positive integer factors of 20386 that divides 20378 without a remainder.

1, 2, 10193

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20378 and 20386. The biggest common factor number is the GCF number.
So the greatest common factor 20378 and 20386 is 2.

Also check out the Least Common Multiple of 20378 and 20386