What is the Greatest Common Factor of 31305 and 31315?

Greatest common factor (GCF) of 31305 and 31315 is 5.

GCF(31305,31315) = 5

We will now calculate the prime factors of 31305 and 31315, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31305 and 31315.

How to find the GCF of 31305 and 31315?

We will first find the prime factorization of 31305 and 31315. After we will calculate the factors of 31305 and 31315 and find the biggest common factor number .

Step-1: Prime Factorization of 31305

Prime factors of 31305 are 3, 5, 2087. Prime factorization of 31305 in exponential form is:

31305 = 3¹ × 5¹ × 2087¹

Step-2: Prime Factorization of 31315

Prime factors of 31315 are 5, 6263. Prime factorization of 31315 in exponential form is:

31315 = 5¹ × 6263¹

Step-3: Factors of 31305

List of positive integer factors of 31305 that divides 31305 without a remainder.

1, 3, 5, 15, 2087, 6261, 10435

Step-4: Factors of 31315

List of positive integer factors of 31315 that divides 31305 without a remainder.

1, 5, 6263

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31305 and 31315. The biggest common factor number is the GCF number.
So the greatest common factor 31305 and 31315 is 5.

Also check out the Least Common Multiple of 31305 and 31315