What is the Greatest Common Factor of 40421 and 40428?

Greatest common factor (GCF) of 40421 and 40428 is 1.

GCF(40421,40428) = 1

We will now calculate the prime factors of 40421 and 40428, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40421 and 40428.

How to find the GCF of 40421 and 40428?

We will first find the prime factorization of 40421 and 40428. After we will calculate the factors of 40421 and 40428 and find the biggest common factor number .

Step-1: Prime Factorization of 40421

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

40421 = 83¹ × 487¹

Step-2: Prime Factorization of 40428

Prime factors of 40428 are 2, 3, 1123. Prime factorization of 40428 in exponential form is:

40428 = 2² × 3² × 1123¹

Step-3: Factors of 40421

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

1, 83, 487

Step-4: Factors of 40428

List of positive integer factors of 40428 that divides 40421 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 36, 1123, 2246, 3369, 4492, 6738, 10107, 13476, 20214

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40421 and 40428. The biggest common factor number is the GCF number.
So the greatest common factor 40421 and 40428 is 1.

Also check out the Least Common Multiple of 40421 and 40428