What is the Greatest Common Factor of 16720 and 16731?

Greatest common factor (GCF) of 16720 and 16731 is 11.

GCF(16720,16731) = 11

We will now calculate the prime factors of 16720 and 16731, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16720 and 16731.

How to find the GCF of 16720 and 16731?

We will first find the prime factorization of 16720 and 16731. After we will calculate the factors of 16720 and 16731 and find the biggest common factor number .

Step-1: Prime Factorization of 16720

Prime factors of 16720 are 2, 5, 11, 19. Prime factorization of 16720 in exponential form is:

16720 = 2⁴ × 5¹ × 11¹ × 19¹

Step-2: Prime Factorization of 16731

Prime factors of 16731 are 3, 11, 13. Prime factorization of 16731 in exponential form is:

16731 = 3² × 11¹ × 13²

Step-3: Factors of 16720

List of positive integer factors of 16720 that divides 16720 without a remainder.

1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360

Step-4: Factors of 16731

List of positive integer factors of 16731 that divides 16720 without a remainder.

1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 169, 429, 507, 1287, 1521, 1859, 5577

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16720 and 16731. The biggest common factor number is the GCF number.
So the greatest common factor 16720 and 16731 is 11.

Also check out the Least Common Multiple of 16720 and 16731