What is the Greatest Common Factor of 32391 and 32400?

Greatest common factor (GCF) of 32391 and 32400 is 9.

GCF(32391,32400) = 9

We will now calculate the prime factors of 32391 and 32400, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 32391 and 32400.

How to find the GCF of 32391 and 32400?

We will first find the prime factorization of 32391 and 32400. After we will calculate the factors of 32391 and 32400 and find the biggest common factor number .

Step-1: Prime Factorization of 32391

Prime factors of 32391 are 3, 59, 61. Prime factorization of 32391 in exponential form is:

32391 = 3² × 59¹ × 61¹

Step-2: Prime Factorization of 32400

Prime factors of 32400 are 2, 3, 5. Prime factorization of 32400 in exponential form is:

32400 = 2⁴ × 3⁴ × 5²

Step-3: Factors of 32391

List of positive integer factors of 32391 that divides 32391 without a remainder.

1, 3, 9, 59, 61, 177, 183, 531, 549, 3599, 10797

Step-4: Factors of 32400

List of positive integer factors of 32400 that divides 32391 without a remainder.

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 100, 108, 120, 135, 144, 150, 162, 180, 200, 216, 225, 240, 270, 300, 324, 360, 400, 405, 432, 450, 540, 600, 648, 675, 720, 810, 900, 1080, 1200, 1296, 1350, 1620, 1800, 2025, 2160, 2700, 3240, 3600, 4050, 5400, 6480, 8100, 10800, 16200

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 32391 and 32400. The biggest common factor number is the GCF number.
So the greatest common factor 32391 and 32400 is 9.

Also check out the Least Common Multiple of 32391 and 32400