What is the Greatest Common Factor of 30471 and 30478?

Greatest common factor (GCF) of 30471 and 30478 is 7.

GCF(30471,30478) = 7

We will now calculate the prime factors of 30471 and 30478, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30471 and 30478.

How to find the GCF of 30471 and 30478?

We will first find the prime factorization of 30471 and 30478. After we will calculate the factors of 30471 and 30478 and find the biggest common factor number .

Step-1: Prime Factorization of 30471

Prime factors of 30471 are 3, 7, 1451. Prime factorization of 30471 in exponential form is:

30471 = 3¹ × 7¹ × 1451¹

Step-2: Prime Factorization of 30478

Prime factors of 30478 are 2, 7, 311. Prime factorization of 30478 in exponential form is:

30478 = 2¹ × 7² × 311¹

Step-3: Factors of 30471

List of positive integer factors of 30471 that divides 30471 without a remainder.

1, 3, 7, 21, 1451, 4353, 10157

Step-4: Factors of 30478

List of positive integer factors of 30478 that divides 30471 without a remainder.

1, 2, 7, 14, 49, 98, 311, 622, 2177, 4354, 15239

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30471 and 30478. The biggest common factor number is the GCF number.
So the greatest common factor 30471 and 30478 is 7.

Also check out the Least Common Multiple of 30471 and 30478