What is the Greatest Common Factor of 71530 and 71545?

Greatest common factor (GCF) of 71530 and 71545 is 5.

GCF(71530,71545) = 5

We will now calculate the prime factors of 71530 and 71545, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71530 and 71545.

How to find the GCF of 71530 and 71545?

We will first find the prime factorization of 71530 and 71545. After we will calculate the factors of 71530 and 71545 and find the biggest common factor number .

Step-1: Prime Factorization of 71530

Prime factors of 71530 are 2, 5, 23, 311. Prime factorization of 71530 in exponential form is:

71530 = 2¹ × 5¹ × 23¹ × 311¹

Step-2: Prime Factorization of 71545

Prime factors of 71545 are 5, 41, 349. Prime factorization of 71545 in exponential form is:

71545 = 5¹ × 41¹ × 349¹

Step-3: Factors of 71530

List of positive integer factors of 71530 that divides 71530 without a remainder.

1, 2, 5, 10, 23, 46, 115, 230, 311, 622, 1555, 3110, 7153, 14306, 35765

Step-4: Factors of 71545

List of positive integer factors of 71545 that divides 71530 without a remainder.

1, 5, 41, 205, 349, 1745, 14309

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71530 and 71545. The biggest common factor number is the GCF number.
So the greatest common factor 71530 and 71545 is 5.

Also check out the Least Common Multiple of 71530 and 71545