What is the Greatest Common Factor of 23720 and 23728?

Greatest common factor (GCF) of 23720 and 23728 is 8.

GCF(23720,23728) = 8

We will now calculate the prime factors of 23720 and 23728, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 23720 and 23728.

How to find the GCF of 23720 and 23728?

We will first find the prime factorization of 23720 and 23728. After we will calculate the factors of 23720 and 23728 and find the biggest common factor number .

Step-1: Prime Factorization of 23720

Prime factors of 23720 are 2, 5, 593. Prime factorization of 23720 in exponential form is:

23720 = 2³ × 5¹ × 593¹

Step-2: Prime Factorization of 23728

Prime factors of 23728 are 2, 1483. Prime factorization of 23728 in exponential form is:

23728 = 2⁴ × 1483¹

Step-3: Factors of 23720

List of positive integer factors of 23720 that divides 23720 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 593, 1186, 2372, 2965, 4744, 5930, 11860

Step-4: Factors of 23728

List of positive integer factors of 23728 that divides 23720 without a remainder.

1, 2, 4, 8, 16, 1483, 2966, 5932, 11864

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 23720 and 23728. The biggest common factor number is the GCF number.
So the greatest common factor 23720 and 23728 is 8.

Also check out the Least Common Multiple of 23720 and 23728