What is the Greatest Common Factor of 28220 and 28232?

Greatest common factor (GCF) of 28220 and 28232 is 4.

GCF(28220,28232) = 4

We will now calculate the prime factors of 28220 and 28232, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28220 and 28232.

How to find the GCF of 28220 and 28232?

We will first find the prime factorization of 28220 and 28232. After we will calculate the factors of 28220 and 28232 and find the biggest common factor number .

Step-1: Prime Factorization of 28220

Prime factors of 28220 are 2, 5, 17, 83. Prime factorization of 28220 in exponential form is:

28220 = 2² × 5¹ × 17¹ × 83¹

Step-2: Prime Factorization of 28232

Prime factors of 28232 are 2, 3529. Prime factorization of 28232 in exponential form is:

28232 = 2³ × 3529¹

Step-3: Factors of 28220

List of positive integer factors of 28220 that divides 28220 without a remainder.

1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 166, 170, 332, 340, 415, 830, 1411, 1660, 2822, 5644, 7055, 14110

Step-4: Factors of 28232

List of positive integer factors of 28232 that divides 28220 without a remainder.

1, 2, 4, 8, 3529, 7058, 14116

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28220 and 28232. The biggest common factor number is the GCF number.
So the greatest common factor 28220 and 28232 is 4.

Also check out the Least Common Multiple of 28220 and 28232