What is the Greatest Common Factor of 23216 and 23220?

Greatest common factor (GCF) of 23216 and 23220 is 4.

GCF(23216,23220) = 4

We will now calculate the prime factors of 23216 and 23220, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 23216 and 23220.

How to find the GCF of 23216 and 23220?

We will first find the prime factorization of 23216 and 23220. After we will calculate the factors of 23216 and 23220 and find the biggest common factor number .

Step-1: Prime Factorization of 23216

Prime factors of 23216 are 2, 1451. Prime factorization of 23216 in exponential form is:

23216 = 2⁴ × 1451¹

Step-2: Prime Factorization of 23220

Prime factors of 23220 are 2, 3, 5, 43. Prime factorization of 23220 in exponential form is:

23220 = 2² × 3³ × 5¹ × 43¹

Step-3: Factors of 23216

List of positive integer factors of 23216 that divides 23216 without a remainder.

1, 2, 4, 8, 16, 1451, 2902, 5804, 11608

Step-4: Factors of 23220

List of positive integer factors of 23220 that divides 23216 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 86, 90, 108, 129, 135, 172, 180, 215, 258, 270, 387, 430, 516, 540, 645, 774, 860, 1161, 1290, 1548, 1935, 2322, 2580, 3870, 4644, 5805, 7740, 11610

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 23216 and 23220. The biggest common factor number is the GCF number.
So the greatest common factor 23216 and 23220 is 4.

Also check out the Least Common Multiple of 23216 and 23220