What is the Greatest Common Factor of 30981 and 30997?

Greatest common factor (GCF) of 30981 and 30997 is 1.

GCF(30981,30997) = 1

We will now calculate the prime factors of 30981 and 30997, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30981 and 30997.

How to find the GCF of 30981 and 30997?

We will first find the prime factorization of 30981 and 30997. After we will calculate the factors of 30981 and 30997 and find the biggest common factor number .

Step-1: Prime Factorization of 30981

Prime factors of 30981 are 3, 23, 449. Prime factorization of 30981 in exponential form is:

30981 = 3¹ × 23¹ × 449¹

Step-2: Prime Factorization of 30997

Prime factors of 30997 are 139, 223. Prime factorization of 30997 in exponential form is:

30997 = 139¹ × 223¹

Step-3: Factors of 30981

List of positive integer factors of 30981 that divides 30981 without a remainder.

1, 3, 23, 69, 449, 1347, 10327

Step-4: Factors of 30997

List of positive integer factors of 30997 that divides 30981 without a remainder.

1, 139, 223

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30981 and 30997. The biggest common factor number is the GCF number.
So the greatest common factor 30981 and 30997 is 1.

Also check out the Least Common Multiple of 30981 and 30997