What is the Greatest Common Factor of 71493 and 71505?

Greatest common factor (GCF) of 71493 and 71505 is 3.

GCF(71493,71505) = 3

We will now calculate the prime factors of 71493 and 71505, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71493 and 71505.

How to find the GCF of 71493 and 71505?

We will first find the prime factorization of 71493 and 71505. After we will calculate the factors of 71493 and 71505 and find the biggest common factor number .

Step-1: Prime Factorization of 71493

Prime factors of 71493 are 3, 23831. Prime factorization of 71493 in exponential form is:

71493 = 3¹ × 23831¹

Step-2: Prime Factorization of 71505

Prime factors of 71505 are 3, 5, 7, 227. Prime factorization of 71505 in exponential form is:

71505 = 3² × 5¹ × 7¹ × 227¹

Step-3: Factors of 71493

List of positive integer factors of 71493 that divides 71493 without a remainder.

1, 3, 23831

Step-4: Factors of 71505

List of positive integer factors of 71505 that divides 71493 without a remainder.

1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 227, 315, 681, 1135, 1589, 2043, 3405, 4767, 7945, 10215, 14301, 23835

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71493 and 71505. The biggest common factor number is the GCF number.
So the greatest common factor 71493 and 71505 is 3.

Also check out the Least Common Multiple of 71493 and 71505