What is the Greatest Common Factor of 40008 and 40021?

Greatest common factor (GCF) of 40008 and 40021 is 1.

GCF(40008,40021) = 1

We will now calculate the prime factors of 40008 and 40021, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40008 and 40021.

How to find the GCF of 40008 and 40021?

We will first find the prime factorization of 40008 and 40021. After we will calculate the factors of 40008 and 40021 and find the biggest common factor number .

Step-1: Prime Factorization of 40008

Prime factors of 40008 are 2, 3, 1667. Prime factorization of 40008 in exponential form is:

40008 = 2³ × 3¹ × 1667¹

Step-2: Prime Factorization of 40021

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

40021 = 31¹ × 1291¹

Step-3: Factors of 40008

List of positive integer factors of 40008 that divides 40008 without a remainder.

1, 2, 3, 4, 6, 8, 12, 24, 1667, 3334, 5001, 6668, 10002, 13336, 20004

Step-4: Factors of 40021

List of positive integer factors of 40021 that divides 40008 without a remainder.

1, 31, 1291

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40008 and 40021. The biggest common factor number is the GCF number.
So the greatest common factor 40008 and 40021 is 1.

Also check out the Least Common Multiple of 40008 and 40021