What is the Greatest Common Factor of 21533 and 21541?

Greatest common factor (GCF) of 21533 and 21541 is 1.

GCF(21533,21541) = 1

We will now calculate the prime factors of 21533 and 21541, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21533 and 21541.

How to find the GCF of 21533 and 21541?

We will first find the prime factorization of 21533 and 21541. After we will calculate the factors of 21533 and 21541 and find the biggest common factor number .

Step-1: Prime Factorization of 21533

Prime factors of 21533 are 61, 353. Prime factorization of 21533 in exponential form is:

21533 = 61¹ × 353¹

Step-2: Prime Factorization of 21541

Prime factors of 21541 are 13, 1657. Prime factorization of 21541 in exponential form is:

21541 = 13¹ × 1657¹

Step-3: Factors of 21533

List of positive integer factors of 21533 that divides 21533 without a remainder.

1, 61, 353

Step-4: Factors of 21541

List of positive integer factors of 21541 that divides 21533 without a remainder.

1, 13, 1657

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21533 and 21541. The biggest common factor number is the GCF number.
So the greatest common factor 21533 and 21541 is 1.

Also check out the Least Common Multiple of 21533 and 21541