What is the Greatest Common Factor of 75789 and 75807?

Greatest common factor (GCF) of 75789 and 75807 is 9.

GCF(75789,75807) = 9

We will now calculate the prime factors of 75789 and 75807, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 75789 and 75807.

How to find the GCF of 75789 and 75807?

We will first find the prime factorization of 75789 and 75807. After we will calculate the factors of 75789 and 75807 and find the biggest common factor number .

Step-1: Prime Factorization of 75789

Prime factors of 75789 are 3, 7, 401. Prime factorization of 75789 in exponential form is:

75789 = 3³ × 7¹ × 401¹

Step-2: Prime Factorization of 75807

Prime factors of 75807 are 3, 8423. Prime factorization of 75807 in exponential form is:

75807 = 3² × 8423¹

Step-3: Factors of 75789

List of positive integer factors of 75789 that divides 75789 without a remainder.

1, 3, 7, 9, 21, 27, 63, 189, 401, 1203, 2807, 3609, 8421, 10827, 25263

Step-4: Factors of 75807

List of positive integer factors of 75807 that divides 75789 without a remainder.

1, 3, 9, 8423, 25269

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 75789 and 75807. The biggest common factor number is the GCF number.
So the greatest common factor 75789 and 75807 is 9.

Also check out the Least Common Multiple of 75789 and 75807