What is the Greatest Common Factor of 31705 and 31715?

Greatest common factor (GCF) of 31705 and 31715 is 5.

GCF(31705,31715) = 5

We will now calculate the prime factors of 31705 and 31715, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31705 and 31715.

How to find the GCF of 31705 and 31715?

We will first find the prime factorization of 31705 and 31715. After we will calculate the factors of 31705 and 31715 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 31715

Prime factors of 31715 are 5, 6343. Prime factorization of 31715 in exponential form is:

31715 = 5¹ × 6343¹

Step-3: Factors of 31705

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

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

Step-4: Factors of 31715

List of positive integer factors of 31715 that divides 31705 without a remainder.

1, 5, 6343

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31705 and 31715. The biggest common factor number is the GCF number.
So the greatest common factor 31705 and 31715 is 5.

Also check out the Least Common Multiple of 31705 and 31715