What is the Greatest Common Factor of 31710 and 31721?

Greatest common factor (GCF) of 31710 and 31721 is 1.

GCF(31710,31721) = 1

We will now calculate the prime factors of 31710 and 31721, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31710 and 31721.

How to find the GCF of 31710 and 31721?

We will first find the prime factorization of 31710 and 31721. After we will calculate the factors of 31710 and 31721 and find the biggest common factor number .

Step-1: Prime Factorization of 31710

Prime factors of 31710 are 2, 3, 5, 7, 151. Prime factorization of 31710 in exponential form is:

31710 = 2¹ × 3¹ × 5¹ × 7¹ × 151¹

Step-2: Prime Factorization of 31721

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

31721 = 31721¹

Step-3: Factors of 31710

List of positive integer factors of 31710 that divides 31710 without a remainder.

1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 151, 210, 302, 453, 755, 906, 1057, 1510, 2114, 2265, 3171, 4530, 5285, 6342, 10570, 15855

Step-4: Factors of 31721

List of positive integer factors of 31721 that divides 31710 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31710 and 31721. The biggest common factor number is the GCF number.
So the greatest common factor 31710 and 31721 is 1.

Also check out the Least Common Multiple of 31710 and 31721