What is the Greatest Common Factor of 30946 and 30958?

Greatest common factor (GCF) of 30946 and 30958 is 2.

GCF(30946,30958) = 2

We will now calculate the prime factors of 30946 and 30958, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30946 and 30958.

How to find the GCF of 30946 and 30958?

We will first find the prime factorization of 30946 and 30958. After we will calculate the factors of 30946 and 30958 and find the biggest common factor number .

Step-1: Prime Factorization of 30946

Prime factors of 30946 are 2, 15473. Prime factorization of 30946 in exponential form is:

30946 = 2¹ × 15473¹

Step-2: Prime Factorization of 30958

Prime factors of 30958 are 2, 23, 673. Prime factorization of 30958 in exponential form is:

30958 = 2¹ × 23¹ × 673¹

Step-3: Factors of 30946

List of positive integer factors of 30946 that divides 30946 without a remainder.

1, 2, 15473

Step-4: Factors of 30958

List of positive integer factors of 30958 that divides 30946 without a remainder.

1, 2, 23, 46, 673, 1346, 15479

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30946 and 30958. The biggest common factor number is the GCF number.
So the greatest common factor 30946 and 30958 is 2.

Also check out the Least Common Multiple of 30946 and 30958