What is the Greatest Common Factor of 40605 and 40621?

Greatest common factor (GCF) of 40605 and 40621 is 1.

GCF(40605,40621) = 1

We will now calculate the prime factors of 40605 and 40621, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40605 and 40621.

How to find the GCF of 40605 and 40621?

We will first find the prime factorization of 40605 and 40621. After we will calculate the factors of 40605 and 40621 and find the biggest common factor number .

Step-1: Prime Factorization of 40605

Prime factors of 40605 are 3, 5, 2707. Prime factorization of 40605 in exponential form is:

40605 = 3¹ × 5¹ × 2707¹

Step-2: Prime Factorization of 40621

Prime factors of 40621 are 7, 829. Prime factorization of 40621 in exponential form is:

40621 = 7² × 829¹

Step-3: Factors of 40605

List of positive integer factors of 40605 that divides 40605 without a remainder.

1, 3, 5, 15, 2707, 8121, 13535

Step-4: Factors of 40621

List of positive integer factors of 40621 that divides 40605 without a remainder.

1, 7, 49, 829, 5803

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40605 and 40621. The biggest common factor number is the GCF number.
So the greatest common factor 40605 and 40621 is 1.

Also check out the Least Common Multiple of 40605 and 40621