What is the Greatest Common Factor of 20356 and 20364?

Greatest common factor (GCF) of 20356 and 20364 is 4.

GCF(20356,20364) = 4

We will now calculate the prime factors of 20356 and 20364, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20356 and 20364.

How to find the GCF of 20356 and 20364?

We will first find the prime factorization of 20356 and 20364. After we will calculate the factors of 20356 and 20364 and find the biggest common factor number .

Step-1: Prime Factorization of 20356

Prime factors of 20356 are 2, 7, 727. Prime factorization of 20356 in exponential form is:

20356 = 2² × 7¹ × 727¹

Step-2: Prime Factorization of 20364

Prime factors of 20364 are 2, 3, 1697. Prime factorization of 20364 in exponential form is:

20364 = 2² × 3¹ × 1697¹

Step-3: Factors of 20356

List of positive integer factors of 20356 that divides 20356 without a remainder.

1, 2, 4, 7, 14, 28, 727, 1454, 2908, 5089, 10178

Step-4: Factors of 20364

List of positive integer factors of 20364 that divides 20356 without a remainder.

1, 2, 3, 4, 6, 12, 1697, 3394, 5091, 6788, 10182

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20356 and 20364. The biggest common factor number is the GCF number.
So the greatest common factor 20356 and 20364 is 4.

Also check out the Least Common Multiple of 20356 and 20364