What is the Greatest Common Factor of 30205 and 30210?

Greatest common factor (GCF) of 30205 and 30210 is 5.

GCF(30205,30210) = 5

We will now calculate the prime factors of 30205 and 30210, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30205 and 30210.

How to find the GCF of 30205 and 30210?

We will first find the prime factorization of 30205 and 30210. After we will calculate the factors of 30205 and 30210 and find the biggest common factor number .

Step-1: Prime Factorization of 30205

Prime factors of 30205 are 5, 7, 863. Prime factorization of 30205 in exponential form is:

30205 = 5¹ × 7¹ × 863¹

Step-2: Prime Factorization of 30210

Prime factors of 30210 are 2, 3, 5, 19, 53. Prime factorization of 30210 in exponential form is:

30210 = 2¹ × 3¹ × 5¹ × 19¹ × 53¹

Step-3: Factors of 30205

List of positive integer factors of 30205 that divides 30205 without a remainder.

1, 5, 7, 35, 863, 4315, 6041

Step-4: Factors of 30210

List of positive integer factors of 30210 that divides 30205 without a remainder.

1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 53, 57, 95, 106, 114, 159, 190, 265, 285, 318, 530, 570, 795, 1007, 1590, 2014, 3021, 5035, 6042, 10070, 15105

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30205 and 30210. The biggest common factor number is the GCF number.
So the greatest common factor 30205 and 30210 is 5.

Also check out the Least Common Multiple of 30205 and 30210