What is the Greatest Common Factor of 30558 and 30573?

Greatest common factor (GCF) of 30558 and 30573 is 3.

GCF(30558,30573) = 3

We will now calculate the prime factors of 30558 and 30573, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30558 and 30573.

How to find the GCF of 30558 and 30573?

We will first find the prime factorization of 30558 and 30573. After we will calculate the factors of 30558 and 30573 and find the biggest common factor number .

Step-1: Prime Factorization of 30558

Prime factors of 30558 are 2, 3, 11, 463. Prime factorization of 30558 in exponential form is:

30558 = 2¹ × 3¹ × 11¹ × 463¹

Step-2: Prime Factorization of 30573

Prime factors of 30573 are 3, 43, 79. Prime factorization of 30573 in exponential form is:

30573 = 3² × 43¹ × 79¹

Step-3: Factors of 30558

List of positive integer factors of 30558 that divides 30558 without a remainder.

1, 2, 3, 6, 11, 22, 33, 66, 463, 926, 1389, 2778, 5093, 10186, 15279

Step-4: Factors of 30573

List of positive integer factors of 30573 that divides 30558 without a remainder.

1, 3, 9, 43, 79, 129, 237, 387, 711, 3397, 10191

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30558 and 30573. The biggest common factor number is the GCF number.
So the greatest common factor 30558 and 30573 is 3.

Also check out the Least Common Multiple of 30558 and 30573