What is the Greatest Common Factor of 30015 and 30020?

Greatest common factor (GCF) of 30015 and 30020 is 5.

GCF(30015,30020) = 5

We will now calculate the prime factors of 30015 and 30020, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30015 and 30020.

How to find the GCF of 30015 and 30020?

We will first find the prime factorization of 30015 and 30020. After we will calculate the factors of 30015 and 30020 and find the biggest common factor number .

Step-1: Prime Factorization of 30015

Prime factors of 30015 are 3, 5, 23, 29. Prime factorization of 30015 in exponential form is:

30015 = 3² × 5¹ × 23¹ × 29¹

Step-2: Prime Factorization of 30020

Prime factors of 30020 are 2, 5, 19, 79. Prime factorization of 30020 in exponential form is:

30020 = 2² × 5¹ × 19¹ × 79¹

Step-3: Factors of 30015

List of positive integer factors of 30015 that divides 30015 without a remainder.

1, 3, 5, 9, 15, 23, 29, 45, 69, 87, 115, 145, 207, 261, 345, 435, 667, 1035, 1305, 2001, 3335, 6003, 10005

Step-4: Factors of 30020

List of positive integer factors of 30020 that divides 30015 without a remainder.

1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 3002, 6004, 7505, 15010

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30015 and 30020. The biggest common factor number is the GCF number.
So the greatest common factor 30015 and 30020 is 5.

Also check out the Least Common Multiple of 30015 and 30020