What is the Greatest Common Factor of 30470 and 30475?

Greatest common factor (GCF) of 30470 and 30475 is 5.

GCF(30470,30475) = 5

We will now calculate the prime factors of 30470 and 30475, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30470 and 30475.

How to find the GCF of 30470 and 30475?

We will first find the prime factorization of 30470 and 30475. After we will calculate the factors of 30470 and 30475 and find the biggest common factor number .

Step-1: Prime Factorization of 30470

Prime factors of 30470 are 2, 5, 11, 277. Prime factorization of 30470 in exponential form is:

30470 = 2¹ × 5¹ × 11¹ × 277¹

Step-2: Prime Factorization of 30475

Prime factors of 30475 are 5, 23, 53. Prime factorization of 30475 in exponential form is:

30475 = 5² × 23¹ × 53¹

Step-3: Factors of 30470

List of positive integer factors of 30470 that divides 30470 without a remainder.

1, 2, 5, 10, 11, 22, 55, 110, 277, 554, 1385, 2770, 3047, 6094, 15235

Step-4: Factors of 30475

List of positive integer factors of 30475 that divides 30470 without a remainder.

1, 5, 23, 25, 53, 115, 265, 575, 1219, 1325, 6095

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30470 and 30475. The biggest common factor number is the GCF number.
So the greatest common factor 30470 and 30475 is 5.

Also check out the Least Common Multiple of 30470 and 30475