What is the Greatest Common Factor of 27489 and 27493?

Greatest common factor (GCF) of 27489 and 27493 is 1.

GCF(27489,27493) = 1

We will now calculate the prime factors of 27489 and 27493, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27489 and 27493.

How to find the GCF of 27489 and 27493?

We will first find the prime factorization of 27489 and 27493. After we will calculate the factors of 27489 and 27493 and find the biggest common factor number .

Step-1: Prime Factorization of 27489

Prime factors of 27489 are 3, 7, 11, 17. Prime factorization of 27489 in exponential form is:

27489 = 3¹ × 7² × 11¹ × 17¹

Step-2: Prime Factorization of 27493

Prime factors of 27493 are 19, 1447. Prime factorization of 27493 in exponential form is:

27493 = 19¹ × 1447¹

Step-3: Factors of 27489

List of positive integer factors of 27489 that divides 27489 without a remainder.

1, 3, 7, 11, 17, 21, 33, 49, 51, 77, 119, 147, 187, 231, 357, 539, 561, 833, 1309, 1617, 2499, 3927, 9163

Step-4: Factors of 27493

List of positive integer factors of 27493 that divides 27489 without a remainder.

1, 19, 1447

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27489 and 27493. The biggest common factor number is the GCF number.
So the greatest common factor 27489 and 27493 is 1.

Also check out the Least Common Multiple of 27489 and 27493