What is the Greatest Common Factor of 51315 and 51320?

Greatest common factor (GCF) of 51315 and 51320 is 5.

GCF(51315,51320) = 5

We will now calculate the prime factors of 51315 and 51320, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 51315 and 51320.

How to find the GCF of 51315 and 51320?

We will first find the prime factorization of 51315 and 51320. After we will calculate the factors of 51315 and 51320 and find the biggest common factor number .

Step-1: Prime Factorization of 51315

Prime factors of 51315 are 3, 5, 11, 311. Prime factorization of 51315 in exponential form is:

51315 = 3¹ × 5¹ × 11¹ × 311¹

Step-2: Prime Factorization of 51320

Prime factors of 51320 are 2, 5, 1283. Prime factorization of 51320 in exponential form is:

51320 = 2³ × 5¹ × 1283¹

Step-3: Factors of 51315

List of positive integer factors of 51315 that divides 51315 without a remainder.

1, 3, 5, 11, 15, 33, 55, 165, 311, 933, 1555, 3421, 4665, 10263, 17105

Step-4: Factors of 51320

List of positive integer factors of 51320 that divides 51315 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 1283, 2566, 5132, 6415, 10264, 12830, 25660

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 51315 and 51320. The biggest common factor number is the GCF number.
So the greatest common factor 51315 and 51320 is 5.

Also check out the Least Common Multiple of 51315 and 51320