What is the Greatest Common Factor of 21343 and 21358?

Greatest common factor (GCF) of 21343 and 21358 is 1.

GCF(21343,21358) = 1

We will now calculate the prime factors of 21343 and 21358, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21343 and 21358.

How to find the GCF of 21343 and 21358?

We will first find the prime factorization of 21343 and 21358. After we will calculate the factors of 21343 and 21358 and find the biggest common factor number .

Step-1: Prime Factorization of 21343

Prime factors of 21343 are 7, 3049. Prime factorization of 21343 in exponential form is:

21343 = 7¹ × 3049¹

Step-2: Prime Factorization of 21358

Prime factors of 21358 are 2, 59, 181. Prime factorization of 21358 in exponential form is:

21358 = 2¹ × 59¹ × 181¹

Step-3: Factors of 21343

List of positive integer factors of 21343 that divides 21343 without a remainder.

1, 7, 3049

Step-4: Factors of 21358

List of positive integer factors of 21358 that divides 21343 without a remainder.

1, 2, 59, 118, 181, 362, 10679

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21343 and 21358. The biggest common factor number is the GCF number.
So the greatest common factor 21343 and 21358 is 1.

Also check out the Least Common Multiple of 21343 and 21358