What is the Greatest Common Factor of 17220 and 17228?

Greatest common factor (GCF) of 17220 and 17228 is 4.

GCF(17220,17228) = 4

We will now calculate the prime factors of 17220 and 17228, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17220 and 17228.

How to find the GCF of 17220 and 17228?

We will first find the prime factorization of 17220 and 17228. After we will calculate the factors of 17220 and 17228 and find the biggest common factor number .

Step-1: Prime Factorization of 17220

Prime factors of 17220 are 2, 3, 5, 7, 41. Prime factorization of 17220 in exponential form is:

17220 = 2² × 3¹ × 5¹ × 7¹ × 41¹

Step-2: Prime Factorization of 17228

Prime factors of 17228 are 2, 59, 73. Prime factorization of 17228 in exponential form is:

17228 = 2² × 59¹ × 73¹

Step-3: Factors of 17220

List of positive integer factors of 17220 that divides 17220 without a remainder.

1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 82, 84, 105, 123, 140, 164, 205, 210, 246, 287, 410, 420, 492, 574, 615, 820, 861, 1148, 1230, 1435, 1722, 2460, 2870, 3444, 4305, 5740, 8610

Step-4: Factors of 17228

List of positive integer factors of 17228 that divides 17220 without a remainder.

1, 2, 4, 59, 73, 118, 146, 236, 292, 4307, 8614

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17220 and 17228. The biggest common factor number is the GCF number.
So the greatest common factor 17220 and 17228 is 4.

Also check out the Least Common Multiple of 17220 and 17228