What is the Greatest Common Factor of 21573 and 21593?

Greatest common factor (GCF) of 21573 and 21593 is 1.

GCF(21573,21593) = 1

We will now calculate the prime factors of 21573 and 21593, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21573 and 21593.

How to find the GCF of 21573 and 21593?

We will first find the prime factorization of 21573 and 21593. After we will calculate the factors of 21573 and 21593 and find the biggest common factor number .

Step-1: Prime Factorization of 21573

Prime factors of 21573 are 3, 17, 47. Prime factorization of 21573 in exponential form is:

21573 = 3³ × 17¹ × 47¹

Step-2: Prime Factorization of 21593

Prime factors of 21593 are 11, 13, 151. Prime factorization of 21593 in exponential form is:

21593 = 11¹ × 13¹ × 151¹

Step-3: Factors of 21573

List of positive integer factors of 21573 that divides 21573 without a remainder.

1, 3, 9, 17, 27, 47, 51, 141, 153, 423, 459, 799, 1269, 2397, 7191

Step-4: Factors of 21593

List of positive integer factors of 21593 that divides 21573 without a remainder.

1, 11, 13, 143, 151, 1661, 1963

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21573 and 21593. The biggest common factor number is the GCF number.
So the greatest common factor 21573 and 21593 is 1.

Also check out the Least Common Multiple of 21573 and 21593