What is the Greatest Common Factor of 51855 and 51865?

Greatest common factor (GCF) of 51855 and 51865 is 5.

GCF(51855,51865) = 5

We will now calculate the prime factors of 51855 and 51865, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 51855 and 51865.

How to find the GCF of 51855 and 51865?

We will first find the prime factorization of 51855 and 51865. After we will calculate the factors of 51855 and 51865 and find the biggest common factor number .

Step-1: Prime Factorization of 51855

Prime factors of 51855 are 3, 5, 3457. Prime factorization of 51855 in exponential form is:

51855 = 3¹ × 5¹ × 3457¹

Step-2: Prime Factorization of 51865

Prime factors of 51865 are 5, 11, 23, 41. Prime factorization of 51865 in exponential form is:

51865 = 5¹ × 11¹ × 23¹ × 41¹

Step-3: Factors of 51855

List of positive integer factors of 51855 that divides 51855 without a remainder.

1, 3, 5, 15, 3457, 10371, 17285

Step-4: Factors of 51865

List of positive integer factors of 51865 that divides 51855 without a remainder.

1, 5, 11, 23, 41, 55, 115, 205, 253, 451, 943, 1265, 2255, 4715, 10373

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 51855 and 51865. The biggest common factor number is the GCF number.
So the greatest common factor 51855 and 51865 is 5.

Also check out the Least Common Multiple of 51855 and 51865