What is the Greatest Common Factor of 75385 and 75405?

Greatest common factor (GCF) of 75385 and 75405 is 5.

GCF(75385,75405) = 5

We will now calculate the prime factors of 75385 and 75405, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 75385 and 75405.

How to find the GCF of 75385 and 75405?

We will first find the prime factorization of 75385 and 75405. After we will calculate the factors of 75385 and 75405 and find the biggest common factor number .

Step-1: Prime Factorization of 75385

Prime factors of 75385 are 5, 15077. Prime factorization of 75385 in exponential form is:

75385 = 5¹ × 15077¹

Step-2: Prime Factorization of 75405

Prime factors of 75405 are 3, 5, 11, 457. Prime factorization of 75405 in exponential form is:

75405 = 3¹ × 5¹ × 11¹ × 457¹

Step-3: Factors of 75385

List of positive integer factors of 75385 that divides 75385 without a remainder.

1, 5, 15077

Step-4: Factors of 75405

List of positive integer factors of 75405 that divides 75385 without a remainder.

1, 3, 5, 11, 15, 33, 55, 165, 457, 1371, 2285, 5027, 6855, 15081, 25135

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 75385 and 75405. The biggest common factor number is the GCF number.
So the greatest common factor 75385 and 75405 is 5.

Also check out the Least Common Multiple of 75385 and 75405