What is the Greatest Common Factor of 16221 and 16240?

Greatest common factor (GCF) of 16221 and 16240 is 1.

GCF(16221,16240) = 1

We will now calculate the prime factors of 16221 and 16240, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16221 and 16240.

How to find the GCF of 16221 and 16240?

We will first find the prime factorization of 16221 and 16240. After we will calculate the factors of 16221 and 16240 and find the biggest common factor number .

Step-1: Prime Factorization of 16221

Prime factors of 16221 are 3, 5407. Prime factorization of 16221 in exponential form is:

16221 = 3¹ × 5407¹

Step-2: Prime Factorization of 16240

Prime factors of 16240 are 2, 5, 7, 29. Prime factorization of 16240 in exponential form is:

16240 = 2⁴ × 5¹ × 7¹ × 29¹

Step-3: Factors of 16221

List of positive integer factors of 16221 that divides 16221 without a remainder.

1, 3, 5407

Step-4: Factors of 16240

List of positive integer factors of 16240 that divides 16221 without a remainder.

1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 8120

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16221 and 16240. The biggest common factor number is the GCF number.
So the greatest common factor 16221 and 16240 is 1.

Also check out the Least Common Multiple of 16221 and 16240