What is the Greatest Common Factor of 77310 and 77325?

Greatest common factor (GCF) of 77310 and 77325 is 15.

GCF(77310,77325) = 15

We will now calculate the prime factors of 77310 and 77325, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77310 and 77325.

How to find the GCF of 77310 and 77325?

We will first find the prime factorization of 77310 and 77325. After we will calculate the factors of 77310 and 77325 and find the biggest common factor number .

Step-1: Prime Factorization of 77310

Prime factors of 77310 are 2, 3, 5, 859. Prime factorization of 77310 in exponential form is:

77310 = 2¹ × 3² × 5¹ × 859¹

Step-2: Prime Factorization of 77325

Prime factors of 77325 are 3, 5, 1031. Prime factorization of 77325 in exponential form is:

77325 = 3¹ × 5² × 1031¹

Step-3: Factors of 77310

List of positive integer factors of 77310 that divides 77310 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 859, 1718, 2577, 4295, 5154, 7731, 8590, 12885, 15462, 25770, 38655

Step-4: Factors of 77325

List of positive integer factors of 77325 that divides 77310 without a remainder.

1, 3, 5, 15, 25, 75, 1031, 3093, 5155, 15465, 25775

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77310 and 77325. The biggest common factor number is the GCF number.
So the greatest common factor 77310 and 77325 is 15.

Also check out the Least Common Multiple of 77310 and 77325