What is the Greatest Common Factor of 31703 and 31717?

Greatest common factor (GCF) of 31703 and 31717 is 7.

GCF(31703,31717) = 7

We will now calculate the prime factors of 31703 and 31717, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31703 and 31717.

How to find the GCF of 31703 and 31717?

We will first find the prime factorization of 31703 and 31717. After we will calculate the factors of 31703 and 31717 and find the biggest common factor number .

Step-1: Prime Factorization of 31703

Prime factors of 31703 are 7, 647. Prime factorization of 31703 in exponential form is:

31703 = 7² × 647¹

Step-2: Prime Factorization of 31717

Prime factors of 31717 are 7, 23, 197. Prime factorization of 31717 in exponential form is:

31717 = 7¹ × 23¹ × 197¹

Step-3: Factors of 31703

List of positive integer factors of 31703 that divides 31703 without a remainder.

1, 7, 49, 647, 4529

Step-4: Factors of 31717

List of positive integer factors of 31717 that divides 31703 without a remainder.

1, 7, 23, 161, 197, 1379, 4531

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31703 and 31717. The biggest common factor number is the GCF number.
So the greatest common factor 31703 and 31717 is 7.

Also check out the Least Common Multiple of 31703 and 31717