What is the Greatest Common Factor of 15020 and 15040?

Greatest common factor (GCF) of 15020 and 15040 is 20.

GCF(15020,15040) = 20

We will now calculate the prime factors of 15020 and 15040, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15020 and 15040.

How to find the GCF of 15020 and 15040?

We will first find the prime factorization of 15020 and 15040. After we will calculate the factors of 15020 and 15040 and find the biggest common factor number .

Step-1: Prime Factorization of 15020

Prime factors of 15020 are 2, 5, 751. Prime factorization of 15020 in exponential form is:

15020 = 2² × 5¹ × 751¹

Step-2: Prime Factorization of 15040

Prime factors of 15040 are 2, 5, 47. Prime factorization of 15040 in exponential form is:

15040 = 2⁶ × 5¹ × 47¹

Step-3: Factors of 15020

List of positive integer factors of 15020 that divides 15020 without a remainder.

1, 2, 4, 5, 10, 20, 751, 1502, 3004, 3755, 7510

Step-4: Factors of 15040

List of positive integer factors of 15040 that divides 15020 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 160, 188, 235, 320, 376, 470, 752, 940, 1504, 1880, 3008, 3760, 7520

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15020 and 15040. The biggest common factor number is the GCF number.
So the greatest common factor 15020 and 15040 is 20.

Also check out the Least Common Multiple of 15020 and 15040