What is the Greatest Common Factor of 51531 and 51543?

Greatest common factor (GCF) of 51531 and 51543 is 3.

GCF(51531,51543) = 3

We will now calculate the prime factors of 51531 and 51543, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 51531 and 51543.

How to find the GCF of 51531 and 51543?

We will first find the prime factorization of 51531 and 51543. After we will calculate the factors of 51531 and 51543 and find the biggest common factor number .

Step-1: Prime Factorization of 51531

Prime factors of 51531 are 3, 89, 193. Prime factorization of 51531 in exponential form is:

51531 = 3¹ × 89¹ × 193¹

Step-2: Prime Factorization of 51543

Prime factors of 51543 are 3, 23, 83. Prime factorization of 51543 in exponential form is:

51543 = 3³ × 23¹ × 83¹

Step-3: Factors of 51531

List of positive integer factors of 51531 that divides 51531 without a remainder.

1, 3, 89, 193, 267, 579, 17177

Step-4: Factors of 51543

List of positive integer factors of 51543 that divides 51531 without a remainder.

1, 3, 9, 23, 27, 69, 83, 207, 249, 621, 747, 1909, 2241, 5727, 17181

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 51531 and 51543. The biggest common factor number is the GCF number.
So the greatest common factor 51531 and 51543 is 3.

Also check out the Least Common Multiple of 51531 and 51543