What is the Greatest Common Factor of 40021 and 40028?

Greatest common factor (GCF) of 40021 and 40028 is 1.

GCF(40021,40028) = 1

We will now calculate the prime factors of 40021 and 40028, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40021 and 40028.

How to find the GCF of 40021 and 40028?

We will first find the prime factorization of 40021 and 40028. After we will calculate the factors of 40021 and 40028 and find the biggest common factor number .

Step-1: Prime Factorization of 40021

Prime factors of 40021 are 31, 1291. Prime factorization of 40021 in exponential form is:

40021 = 31¹ × 1291¹

Step-2: Prime Factorization of 40028

Prime factors of 40028 are 2, 10007. Prime factorization of 40028 in exponential form is:

40028 = 2² × 10007¹

Step-3: Factors of 40021

List of positive integer factors of 40021 that divides 40021 without a remainder.

1, 31, 1291

Step-4: Factors of 40028

List of positive integer factors of 40028 that divides 40021 without a remainder.

1, 2, 4, 10007, 20014

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40021 and 40028. The biggest common factor number is the GCF number.
So the greatest common factor 40021 and 40028 is 1.

Also check out the Least Common Multiple of 40021 and 40028