What is the Greatest Common Factor of 31686 and 31705?

Greatest common factor (GCF) of 31686 and 31705 is 1.

GCF(31686,31705) = 1

We will now calculate the prime factors of 31686 and 31705, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31686 and 31705.

How to find the GCF of 31686 and 31705?

We will first find the prime factorization of 31686 and 31705. After we will calculate the factors of 31686 and 31705 and find the biggest common factor number .

Step-1: Prime Factorization of 31686

Prime factors of 31686 are 2, 3, 5281. Prime factorization of 31686 in exponential form is:

31686 = 2¹ × 3¹ × 5281¹

Step-2: Prime Factorization of 31705

Prime factors of 31705 are 5, 17, 373. Prime factorization of 31705 in exponential form is:

31705 = 5¹ × 17¹ × 373¹

Step-3: Factors of 31686

List of positive integer factors of 31686 that divides 31686 without a remainder.

1, 2, 3, 6, 5281, 10562, 15843

Step-4: Factors of 31705

List of positive integer factors of 31705 that divides 31686 without a remainder.

1, 5, 17, 85, 373, 1865, 6341

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31686 and 31705. The biggest common factor number is the GCF number.
So the greatest common factor 31686 and 31705 is 1.

Also check out the Least Common Multiple of 31686 and 31705