What is the Greatest Common Factor of 10040 and 10045?

Greatest common factor (GCF) of 10040 and 10045 is 5.

GCF(10040,10045) = 5

We will now calculate the prime factors of 10040 and 10045, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10040 and 10045.

How to find the GCF of 10040 and 10045?

We will first find the prime factorization of 10040 and 10045. After we will calculate the factors of 10040 and 10045 and find the biggest common factor number .

Step-1: Prime Factorization of 10040

Prime factors of 10040 are 2, 5, 251. Prime factorization of 10040 in exponential form is:

10040 = 2³ × 5¹ × 251¹

Step-2: Prime Factorization of 10045

Prime factors of 10045 are 5, 7, 41. Prime factorization of 10045 in exponential form is:

10045 = 5¹ × 7² × 41¹

Step-3: Factors of 10040

List of positive integer factors of 10040 that divides 10040 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020

Step-4: Factors of 10045

List of positive integer factors of 10045 that divides 10040 without a remainder.

1, 5, 7, 35, 41, 49, 205, 245, 287, 1435, 2009

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10040 and 10045. The biggest common factor number is the GCF number.
So the greatest common factor 10040 and 10045 is 5.

Also check out the Least Common Multiple of 10040 and 10045