What is the Greatest Common Factor of 21595 and 21600?

Greatest common factor (GCF) of 21595 and 21600 is 5.

GCF(21595,21600) = 5

We will now calculate the prime factors of 21595 and 21600, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21595 and 21600.

How to find the GCF of 21595 and 21600?

We will first find the prime factorization of 21595 and 21600. After we will calculate the factors of 21595 and 21600 and find the biggest common factor number .

Step-1: Prime Factorization of 21595

Prime factors of 21595 are 5, 7, 617. Prime factorization of 21595 in exponential form is:

21595 = 5¹ × 7¹ × 617¹

Step-2: Prime Factorization of 21600

Prime factors of 21600 are 2, 3, 5. Prime factorization of 21600 in exponential form is:

21600 = 2⁵ × 3³ × 5²

Step-3: Factors of 21595

List of positive integer factors of 21595 that divides 21595 without a remainder.

1, 5, 7, 35, 617, 3085, 4319

Step-4: Factors of 21600

List of positive integer factors of 21600 that divides 21595 without a remainder.

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 96, 100, 108, 120, 135, 144, 150, 160, 180, 200, 216, 225, 240, 270, 288, 300, 360, 400, 432, 450, 480, 540, 600, 675, 720, 800, 864, 900, 1080, 1200, 1350, 1440, 1800, 2160, 2400, 2700, 3600, 4320, 5400, 7200, 10800

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21595 and 21600. The biggest common factor number is the GCF number.
So the greatest common factor 21595 and 21600 is 5.

Also check out the Least Common Multiple of 21595 and 21600