What is the Greatest Common Factor of 90409 and 90421?

Greatest common factor (GCF) of 90409 and 90421 is 1.

GCF(90409,90421) = 1

We will now calculate the prime factors of 90409 and 90421, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90409 and 90421.

How to find the GCF of 90409 and 90421?

We will first find the prime factorization of 90409 and 90421. After we will calculate the factors of 90409 and 90421 and find the biggest common factor number .

Step-1: Prime Factorization of 90409

Prime factors of 90409 are 11, 8219. Prime factorization of 90409 in exponential form is:

90409 = 11¹ × 8219¹

Step-2: Prime Factorization of 90421

Prime factors of 90421 are 19, 4759. Prime factorization of 90421 in exponential form is:

90421 = 19¹ × 4759¹

Step-3: Factors of 90409

List of positive integer factors of 90409 that divides 90409 without a remainder.

1, 11, 8219

Step-4: Factors of 90421

List of positive integer factors of 90421 that divides 90409 without a remainder.

1, 19, 4759

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90409 and 90421. The biggest common factor number is the GCF number.
So the greatest common factor 90409 and 90421 is 1.

Also check out the Least Common Multiple of 90409 and 90421