What is the Greatest Common Factor of 25920 and 25925?

Greatest common factor (GCF) of 25920 and 25925 is 5.

GCF(25920,25925) = 5

We will now calculate the prime factors of 25920 and 25925, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25920 and 25925.

How to find the GCF of 25920 and 25925?

We will first find the prime factorization of 25920 and 25925. After we will calculate the factors of 25920 and 25925 and find the biggest common factor number .

Step-1: Prime Factorization of 25920

Prime factors of 25920 are 2, 3, 5. Prime factorization of 25920 in exponential form is:

25920 = 2⁶ × 3⁴ × 5¹

Step-2: Prime Factorization of 25925

Prime factors of 25925 are 5, 17, 61. Prime factorization of 25925 in exponential form is:

25925 = 5² × 17¹ × 61¹

Step-3: Factors of 25920

List of positive integer factors of 25920 that divides 25920 without a remainder.

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 12960

Step-4: Factors of 25925

List of positive integer factors of 25925 that divides 25920 without a remainder.

1, 5, 17, 25, 61, 85, 305, 425, 1037, 1525, 5185

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25920 and 25925. The biggest common factor number is the GCF number.
So the greatest common factor 25920 and 25925 is 5.

Also check out the Least Common Multiple of 25920 and 25925