What is the Greatest Common Factor of 20712 and 20724?

Greatest common factor (GCF) of 20712 and 20724 is 12.

GCF(20712,20724) = 12

We will now calculate the prime factors of 20712 and 20724, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20712 and 20724.

How to find the GCF of 20712 and 20724?

We will first find the prime factorization of 20712 and 20724. After we will calculate the factors of 20712 and 20724 and find the biggest common factor number .

Step-1: Prime Factorization of 20712

Prime factors of 20712 are 2, 3, 863. Prime factorization of 20712 in exponential form is:

20712 = 2³ × 3¹ × 863¹

Step-2: Prime Factorization of 20724

Prime factors of 20724 are 2, 3, 11, 157. Prime factorization of 20724 in exponential form is:

20724 = 2² × 3¹ × 11¹ × 157¹

Step-3: Factors of 20712

List of positive integer factors of 20712 that divides 20712 without a remainder.

1, 2, 3, 4, 6, 8, 12, 24, 863, 1726, 2589, 3452, 5178, 6904, 10356

Step-4: Factors of 20724

List of positive integer factors of 20724 that divides 20712 without a remainder.

1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 157, 314, 471, 628, 942, 1727, 1884, 3454, 5181, 6908, 10362

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20712 and 20724. The biggest common factor number is the GCF number.
So the greatest common factor 20712 and 20724 is 12.

Also check out the Least Common Multiple of 20712 and 20724