What is the Greatest Common Factor of 13920 and 13925?

Greatest common factor (GCF) of 13920 and 13925 is 5.

GCF(13920,13925) = 5

We will now calculate the prime factors of 13920 and 13925, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13920 and 13925.

How to find the GCF of 13920 and 13925?

We will first find the prime factorization of 13920 and 13925. After we will calculate the factors of 13920 and 13925 and find the biggest common factor number .

Step-1: Prime Factorization of 13920

Prime factors of 13920 are 2, 3, 5, 29. Prime factorization of 13920 in exponential form is:

13920 = 2⁵ × 3¹ × 5¹ × 29¹

Step-2: Prime Factorization of 13925

Prime factors of 13925 are 5, 557. Prime factorization of 13925 in exponential form is:

13925 = 5² × 557¹

Step-3: Factors of 13920

List of positive integer factors of 13920 that divides 13920 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 80, 87, 96, 116, 120, 145, 160, 174, 232, 240, 290, 348, 435, 464, 480, 580, 696, 870, 928, 1160, 1392, 1740, 2320, 2784, 3480, 4640, 6960

Step-4: Factors of 13925

List of positive integer factors of 13925 that divides 13920 without a remainder.

1, 5, 25, 557, 2785

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13920 and 13925. The biggest common factor number is the GCF number.
So the greatest common factor 13920 and 13925 is 5.

Also check out the Least Common Multiple of 13920 and 13925