What is the Greatest Common Factor of 21154 and 21166?

Greatest common factor (GCF) of 21154 and 21166 is 2.

GCF(21154,21166) = 2

We will now calculate the prime factors of 21154 and 21166, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21154 and 21166.

How to find the GCF of 21154 and 21166?

We will first find the prime factorization of 21154 and 21166. After we will calculate the factors of 21154 and 21166 and find the biggest common factor number .

Step-1: Prime Factorization of 21154

Prime factors of 21154 are 2, 7, 1511. Prime factorization of 21154 in exponential form is:

21154 = 2¹ × 7¹ × 1511¹

Step-2: Prime Factorization of 21166

Prime factors of 21166 are 2, 19, 557. Prime factorization of 21166 in exponential form is:

21166 = 2¹ × 19¹ × 557¹

Step-3: Factors of 21154

List of positive integer factors of 21154 that divides 21154 without a remainder.

1, 2, 7, 14, 1511, 3022, 10577

Step-4: Factors of 21166

List of positive integer factors of 21166 that divides 21154 without a remainder.

1, 2, 19, 38, 557, 1114, 10583

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21154 and 21166. The biggest common factor number is the GCF number.
So the greatest common factor 21154 and 21166 is 2.

Also check out the Least Common Multiple of 21154 and 21166