What is the Greatest Common Factor of 51215 and 51225?

Greatest common factor (GCF) of 51215 and 51225 is 5.

GCF(51215,51225) = 5

We will now calculate the prime factors of 51215 and 51225, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 51215 and 51225.

How to find the GCF of 51215 and 51225?

We will first find the prime factorization of 51215 and 51225. After we will calculate the factors of 51215 and 51225 and find the biggest common factor number .

Step-1: Prime Factorization of 51215

Prime factors of 51215 are 5, 10243. Prime factorization of 51215 in exponential form is:

51215 = 5¹ × 10243¹

Step-2: Prime Factorization of 51225

Prime factors of 51225 are 3, 5, 683. Prime factorization of 51225 in exponential form is:

51225 = 3¹ × 5² × 683¹

Step-3: Factors of 51215

List of positive integer factors of 51215 that divides 51215 without a remainder.

1, 5, 10243

Step-4: Factors of 51225

List of positive integer factors of 51225 that divides 51215 without a remainder.

1, 3, 5, 15, 25, 75, 683, 2049, 3415, 10245, 17075

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 51215 and 51225. The biggest common factor number is the GCF number.
So the greatest common factor 51215 and 51225 is 5.

Also check out the Least Common Multiple of 51215 and 51225