What is the Greatest Common Factor of 40023 and 40032?

Greatest common factor (GCF) of 40023 and 40032 is 9.

GCF(40023,40032) = 9

We will now calculate the prime factors of 40023 and 40032, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40023 and 40032.

How to find the GCF of 40023 and 40032?

We will first find the prime factorization of 40023 and 40032. After we will calculate the factors of 40023 and 40032 and find the biggest common factor number .

Step-1: Prime Factorization of 40023

Prime factors of 40023 are 3, 4447. Prime factorization of 40023 in exponential form is:

40023 = 3² × 4447¹

Step-2: Prime Factorization of 40032

Prime factors of 40032 are 2, 3, 139. Prime factorization of 40032 in exponential form is:

40032 = 2⁵ × 3² × 139¹

Step-3: Factors of 40023

List of positive integer factors of 40023 that divides 40023 without a remainder.

1, 3, 9, 4447, 13341

Step-4: Factors of 40032

List of positive integer factors of 40032 that divides 40023 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 139, 144, 278, 288, 417, 556, 834, 1112, 1251, 1668, 2224, 2502, 3336, 4448, 5004, 6672, 10008, 13344, 20016

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40023 and 40032. The biggest common factor number is the GCF number.
So the greatest common factor 40023 and 40032 is 9.

Also check out the Least Common Multiple of 40023 and 40032