What is the Greatest Common Factor of 75305 and 75310?

Greatest common factor (GCF) of 75305 and 75310 is 5.

GCF(75305,75310) = 5

We will now calculate the prime factors of 75305 and 75310, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 75305 and 75310.

How to find the GCF of 75305 and 75310?

We will first find the prime factorization of 75305 and 75310. After we will calculate the factors of 75305 and 75310 and find the biggest common factor number .

Step-1: Prime Factorization of 75305

Prime factors of 75305 are 5, 15061. Prime factorization of 75305 in exponential form is:

75305 = 5¹ × 15061¹

Step-2: Prime Factorization of 75310

Prime factors of 75310 are 2, 5, 17, 443. Prime factorization of 75310 in exponential form is:

75310 = 2¹ × 5¹ × 17¹ × 443¹

Step-3: Factors of 75305

List of positive integer factors of 75305 that divides 75305 without a remainder.

1, 5, 15061

Step-4: Factors of 75310

List of positive integer factors of 75310 that divides 75305 without a remainder.

1, 2, 5, 10, 17, 34, 85, 170, 443, 886, 2215, 4430, 7531, 15062, 37655

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 75305 and 75310. The biggest common factor number is the GCF number.
So the greatest common factor 75305 and 75310 is 5.

Also check out the Least Common Multiple of 75305 and 75310