What is the Greatest Common Factor of 51540 and 51558?

Greatest common factor (GCF) of 51540 and 51558 is 6.

GCF(51540,51558) = 6

We will now calculate the prime factors of 51540 and 51558, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 51540 and 51558.

How to find the GCF of 51540 and 51558?

We will first find the prime factorization of 51540 and 51558. After we will calculate the factors of 51540 and 51558 and find the biggest common factor number .

Step-1: Prime Factorization of 51540

Prime factors of 51540 are 2, 3, 5, 859. Prime factorization of 51540 in exponential form is:

51540 = 2² × 3¹ × 5¹ × 859¹

Step-2: Prime Factorization of 51558

Prime factors of 51558 are 2, 3, 13, 661. Prime factorization of 51558 in exponential form is:

51558 = 2¹ × 3¹ × 13¹ × 661¹

Step-3: Factors of 51540

List of positive integer factors of 51540 that divides 51540 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 859, 1718, 2577, 3436, 4295, 5154, 8590, 10308, 12885, 17180, 25770

Step-4: Factors of 51558

List of positive integer factors of 51558 that divides 51540 without a remainder.

1, 2, 3, 6, 13, 26, 39, 78, 661, 1322, 1983, 3966, 8593, 17186, 25779

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 51540 and 51558. The biggest common factor number is the GCF number.
So the greatest common factor 51540 and 51558 is 6.

Also check out the Least Common Multiple of 51540 and 51558