What is the Greatest Common Factor of 57243 and 57255?

Greatest common factor (GCF) of 57243 and 57255 is 3.

GCF(57243,57255) = 3

We will now calculate the prime factors of 57243 and 57255, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 57243 and 57255.

How to find the GCF of 57243 and 57255?

We will first find the prime factorization of 57243 and 57255. After we will calculate the factors of 57243 and 57255 and find the biggest common factor number .

Step-1: Prime Factorization of 57243

Prime factors of 57243 are 3, 19081. Prime factorization of 57243 in exponential form is:

57243 = 3¹ × 19081¹

Step-2: Prime Factorization of 57255

Prime factors of 57255 are 3, 5, 11, 347. Prime factorization of 57255 in exponential form is:

57255 = 3¹ × 5¹ × 11¹ × 347¹

Step-3: Factors of 57243

List of positive integer factors of 57243 that divides 57243 without a remainder.

1, 3, 19081

Step-4: Factors of 57255

List of positive integer factors of 57255 that divides 57243 without a remainder.

1, 3, 5, 11, 15, 33, 55, 165, 347, 1041, 1735, 3817, 5205, 11451, 19085

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 57243 and 57255. The biggest common factor number is the GCF number.
So the greatest common factor 57243 and 57255 is 3.

Also check out the Least Common Multiple of 57243 and 57255