What is the Greatest Common Factor of 28015 and 28030?

Greatest common factor (GCF) of 28015 and 28030 is 5.

GCF(28015,28030) = 5

We will now calculate the prime factors of 28015 and 28030, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28015 and 28030.

How to find the GCF of 28015 and 28030?

We will first find the prime factorization of 28015 and 28030. After we will calculate the factors of 28015 and 28030 and find the biggest common factor number .

Step-1: Prime Factorization of 28015

Prime factors of 28015 are 5, 13, 431. Prime factorization of 28015 in exponential form is:

28015 = 5¹ × 13¹ × 431¹

Step-2: Prime Factorization of 28030

Prime factors of 28030 are 2, 5, 2803. Prime factorization of 28030 in exponential form is:

28030 = 2¹ × 5¹ × 2803¹

Step-3: Factors of 28015

List of positive integer factors of 28015 that divides 28015 without a remainder.

1, 5, 13, 65, 431, 2155, 5603

Step-4: Factors of 28030

List of positive integer factors of 28030 that divides 28015 without a remainder.

1, 2, 5, 10, 2803, 5606, 14015

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28015 and 28030. The biggest common factor number is the GCF number.
So the greatest common factor 28015 and 28030 is 5.

Also check out the Least Common Multiple of 28015 and 28030