What is the Greatest Common Factor of 30997 and 31017?

Greatest common factor (GCF) of 30997 and 31017 is 1.

GCF(30997,31017) = 1

We will now calculate the prime factors of 30997 and 31017, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30997 and 31017.

How to find the GCF of 30997 and 31017?

We will first find the prime factorization of 30997 and 31017. After we will calculate the factors of 30997 and 31017 and find the biggest common factor number .

Step-1: Prime Factorization of 30997

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

30997 = 139¹ × 223¹

Step-2: Prime Factorization of 31017

Prime factors of 31017 are 3, 7, 211. Prime factorization of 31017 in exponential form is:

31017 = 3¹ × 7² × 211¹

Step-3: Factors of 30997

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

1, 139, 223

Step-4: Factors of 31017

List of positive integer factors of 31017 that divides 30997 without a remainder.

1, 3, 7, 21, 49, 147, 211, 633, 1477, 4431, 10339

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30997 and 31017. The biggest common factor number is the GCF number.
So the greatest common factor 30997 and 31017 is 1.

Also check out the Least Common Multiple of 30997 and 31017