What is the Greatest Common Factor of 31205 and 31210?

Greatest common factor (GCF) of 31205 and 31210 is 5.

GCF(31205,31210) = 5

We will now calculate the prime factors of 31205 and 31210, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31205 and 31210.

How to find the GCF of 31205 and 31210?

We will first find the prime factorization of 31205 and 31210. After we will calculate the factors of 31205 and 31210 and find the biggest common factor number .

Step-1: Prime Factorization of 31205

Prime factors of 31205 are 5, 79. Prime factorization of 31205 in exponential form is:

31205 = 5¹ × 79²

Step-2: Prime Factorization of 31210

Prime factors of 31210 are 2, 5, 3121. Prime factorization of 31210 in exponential form is:

31210 = 2¹ × 5¹ × 3121¹

Step-3: Factors of 31205

List of positive integer factors of 31205 that divides 31205 without a remainder.

1, 5, 79, 395, 6241

Step-4: Factors of 31210

List of positive integer factors of 31210 that divides 31205 without a remainder.

1, 2, 5, 10, 3121, 6242, 15605

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31205 and 31210. The biggest common factor number is the GCF number.
So the greatest common factor 31205 and 31210 is 5.

Also check out the Least Common Multiple of 31205 and 31210