What is the Greatest Common Factor of 15021 and 15040?

Greatest common factor (GCF) of 15021 and 15040 is 1.

GCF(15021,15040) = 1

We will now calculate the prime factors of 15021 and 15040, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15021 and 15040.

How to find the GCF of 15021 and 15040?

We will first find the prime factorization of 15021 and 15040. After we will calculate the factors of 15021 and 15040 and find the biggest common factor number .

Step-1: Prime Factorization of 15021

Prime factors of 15021 are 3, 1669. Prime factorization of 15021 in exponential form is:

15021 = 3² × 1669¹

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 15021

List of positive integer factors of 15021 that divides 15021 without a remainder.

1, 3, 9, 1669, 5007

Step-4: Factors of 15040

List of positive integer factors of 15040 that divides 15021 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 15021 and 15040. The biggest common factor number is the GCF number.
So the greatest common factor 15021 and 15040 is 1.

Also check out the Least Common Multiple of 15021 and 15040