What is the Greatest Common Factor of 30958 and 30970?

Greatest common factor (GCF) of 30958 and 30970 is 2.

GCF(30958,30970) = 2

We will now calculate the prime factors of 30958 and 30970, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30958 and 30970.

How to find the GCF of 30958 and 30970?

We will first find the prime factorization of 30958 and 30970. After we will calculate the factors of 30958 and 30970 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 30970

Prime factors of 30970 are 2, 5, 19, 163. Prime factorization of 30970 in exponential form is:

30970 = 2¹ × 5¹ × 19¹ × 163¹

Step-3: Factors of 30958

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

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

Step-4: Factors of 30970

List of positive integer factors of 30970 that divides 30958 without a remainder.

1, 2, 5, 10, 19, 38, 95, 163, 190, 326, 815, 1630, 3097, 6194, 15485

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30958 and 30970. The biggest common factor number is the GCF number.
So the greatest common factor 30958 and 30970 is 2.

Also check out the Least Common Multiple of 30958 and 30970