What is the Greatest Common Factor of 16220 and 16240?

Greatest common factor (GCF) of 16220 and 16240 is 20.

GCF(16220,16240) = 20

We will now calculate the prime factors of 16220 and 16240, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16220 and 16240.

How to find the GCF of 16220 and 16240?

We will first find the prime factorization of 16220 and 16240. After we will calculate the factors of 16220 and 16240 and find the biggest common factor number .

Step-1: Prime Factorization of 16220

Prime factors of 16220 are 2, 5, 811. Prime factorization of 16220 in exponential form is:

16220 = 2² × 5¹ × 811¹

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 16220

List of positive integer factors of 16220 that divides 16220 without a remainder.

1, 2, 4, 5, 10, 20, 811, 1622, 3244, 4055, 8110

Step-4: Factors of 16240

List of positive integer factors of 16240 that divides 16220 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 16220 and 16240. The biggest common factor number is the GCF number.
So the greatest common factor 16220 and 16240 is 20.

Also check out the Least Common Multiple of 16220 and 16240