What is the Greatest Common Factor of 31722 and 31742?

Greatest common factor (GCF) of 31722 and 31742 is 2.

GCF(31722,31742) = 2

We will now calculate the prime factors of 31722 and 31742, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31722 and 31742.

How to find the GCF of 31722 and 31742?

We will first find the prime factorization of 31722 and 31742. After we will calculate the factors of 31722 and 31742 and find the biggest common factor number .

Step-1: Prime Factorization of 31722

Prime factors of 31722 are 2, 3, 17, 311. Prime factorization of 31722 in exponential form is:

31722 = 2¹ × 3¹ × 17¹ × 311¹

Step-2: Prime Factorization of 31742

Prime factors of 31742 are 2, 59, 269. Prime factorization of 31742 in exponential form is:

31742 = 2¹ × 59¹ × 269¹

Step-3: Factors of 31722

List of positive integer factors of 31722 that divides 31722 without a remainder.

1, 2, 3, 6, 17, 34, 51, 102, 311, 622, 933, 1866, 5287, 10574, 15861

Step-4: Factors of 31742

List of positive integer factors of 31742 that divides 31722 without a remainder.

1, 2, 59, 118, 269, 538, 15871

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31722 and 31742. The biggest common factor number is the GCF number.
So the greatest common factor 31722 and 31742 is 2.

Also check out the Least Common Multiple of 31722 and 31742