What is the Greatest Common Factor of 43257 and 43263?

Greatest common factor (GCF) of 43257 and 43263 is 3.

GCF(43257,43263) = 3

We will now calculate the prime factors of 43257 and 43263, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43257 and 43263.

How to find the GCF of 43257 and 43263?

We will first find the prime factorization of 43257 and 43263. After we will calculate the factors of 43257 and 43263 and find the biggest common factor number .

Step-1: Prime Factorization of 43257

Prime factors of 43257 are 3, 14419. Prime factorization of 43257 in exponential form is:

43257 = 3¹ × 14419¹

Step-2: Prime Factorization of 43263

Prime factors of 43263 are 3, 11, 19, 23. Prime factorization of 43263 in exponential form is:

43263 = 3² × 11¹ × 19¹ × 23¹

Step-3: Factors of 43257

List of positive integer factors of 43257 that divides 43257 without a remainder.

1, 3, 14419

Step-4: Factors of 43263

List of positive integer factors of 43263 that divides 43257 without a remainder.

1, 3, 9, 11, 19, 23, 33, 57, 69, 99, 171, 207, 209, 253, 437, 627, 759, 1311, 1881, 2277, 3933, 4807, 14421

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43257 and 43263. The biggest common factor number is the GCF number.
So the greatest common factor 43257 and 43263 is 3.

Also check out the Least Common Multiple of 43257 and 43263