What is the Greatest Common Factor of 31721 and 31731?

Greatest common factor (GCF) of 31721 and 31731 is 1.

GCF(31721,31731) = 1

We will now calculate the prime factors of 31721 and 31731, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31721 and 31731.

How to find the GCF of 31721 and 31731?

We will first find the prime factorization of 31721 and 31731. After we will calculate the factors of 31721 and 31731 and find the biggest common factor number .

Step-1: Prime Factorization of 31721

Prime factors of 31721 are 31721. Prime factorization of 31721 in exponential form is:

31721 = 31721¹

Step-2: Prime Factorization of 31731

Prime factors of 31731 are 3, 7, 1511. Prime factorization of 31731 in exponential form is:

31731 = 3¹ × 7¹ × 1511¹

Step-3: Factors of 31721

List of positive integer factors of 31721 that divides 31721 without a remainder.

Step-4: Factors of 31731

List of positive integer factors of 31731 that divides 31721 without a remainder.

1, 3, 7, 21, 1511, 4533, 10577

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31721 and 31731. The biggest common factor number is the GCF number.
So the greatest common factor 31721 and 31731 is 1.

Also check out the Least Common Multiple of 31721 and 31731