What is the Greatest Common Factor of 40008 and 40018?

Greatest common factor (GCF) of 40008 and 40018 is 2.

GCF(40008,40018) = 2

We will now calculate the prime factors of 40008 and 40018, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40008 and 40018.

How to find the GCF of 40008 and 40018?

We will first find the prime factorization of 40008 and 40018. After we will calculate the factors of 40008 and 40018 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 40018

Prime factors of 40018 are 2, 11, 17, 107. Prime factorization of 40018 in exponential form is:

40018 = 2¹ × 11¹ × 17¹ × 107¹

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 40018

List of positive integer factors of 40018 that divides 40008 without a remainder.

1, 2, 11, 17, 22, 34, 107, 187, 214, 374, 1177, 1819, 2354, 3638, 20009

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40008 and 40018. The biggest common factor number is the GCF number.
So the greatest common factor 40008 and 40018 is 2.

Also check out the Least Common Multiple of 40008 and 40018