What is the Greatest Common Factor of 40409 and 40421?

Greatest common factor (GCF) of 40409 and 40421 is 1.

GCF(40409,40421) = 1

We will now calculate the prime factors of 40409 and 40421, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40409 and 40421.

How to find the GCF of 40409 and 40421?

We will first find the prime factorization of 40409 and 40421. After we will calculate the factors of 40409 and 40421 and find the biggest common factor number .

Step-1: Prime Factorization of 40409

Prime factors of 40409 are 17, 2377. Prime factorization of 40409 in exponential form is:

40409 = 17¹ × 2377¹

Step-2: Prime Factorization of 40421

Prime factors of 40421 are 83, 487. Prime factorization of 40421 in exponential form is:

40421 = 83¹ × 487¹

Step-3: Factors of 40409

List of positive integer factors of 40409 that divides 40409 without a remainder.

1, 17, 2377

Step-4: Factors of 40421

List of positive integer factors of 40421 that divides 40409 without a remainder.

1, 83, 487

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40409 and 40421. The biggest common factor number is the GCF number.
So the greatest common factor 40409 and 40421 is 1.

Also check out the Least Common Multiple of 40409 and 40421