What is the Greatest Common Factor of 21017 and 21027?

Greatest common factor (GCF) of 21017 and 21027 is 1.

GCF(21017,21027) = 1

We will now calculate the prime factors of 21017 and 21027, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21017 and 21027.

How to find the GCF of 21017 and 21027?

We will first find the prime factorization of 21017 and 21027. After we will calculate the factors of 21017 and 21027 and find the biggest common factor number .

Step-1: Prime Factorization of 21017

Prime factors of 21017 are 21017. Prime factorization of 21017 in exponential form is:

21017 = 21017¹

Step-2: Prime Factorization of 21027

Prime factors of 21027 are 3, 43, 163. Prime factorization of 21027 in exponential form is:

21027 = 3¹ × 43¹ × 163¹

Step-3: Factors of 21017

List of positive integer factors of 21017 that divides 21017 without a remainder.

Step-4: Factors of 21027

List of positive integer factors of 21027 that divides 21017 without a remainder.

1, 3, 43, 129, 163, 489, 7009

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21017 and 21027. The biggest common factor number is the GCF number.
So the greatest common factor 21017 and 21027 is 1.

Also check out the Least Common Multiple of 21017 and 21027