What is the Greatest Common Factor of 1716 and 1728?

Greatest common factor (GCF) of 1716 and 1728 is 12.

GCF(1716,1728) = 12

We will now calculate the prime factors of 1716 and 1728, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1716 and 1728.

How to find the GCF of 1716 and 1728?

We will first find the prime factorization of 1716 and 1728. After we will calculate the factors of 1716 and 1728 and find the biggest common factor number .

Step-1: Prime Factorization of 1716

Prime factors of 1716 are 2, 3, 11, 13. Prime factorization of 1716 in exponential form is:

1716 = 2² × 3¹ × 11¹ × 13¹

Step-2: Prime Factorization of 1728

Prime factors of 1728 are 2, 3. Prime factorization of 1728 in exponential form is:

1728 = 2⁶ × 3³

Step-3: Factors of 1716

List of positive integer factors of 1716 that divides 1716 without a remainder.

1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858

Step-4: Factors of 1728

List of positive integer factors of 1728 that divides 1716 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 144, 192, 216, 288, 432, 576, 864

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1716 and 1728. The biggest common factor number is the GCF number.
So the greatest common factor 1716 and 1728 is 12.

Also check out the Least Common Multiple of 1716 and 1728