What is the Greatest Common Factor of 21598 and 21612?

Greatest common factor (GCF) of 21598 and 21612 is 2.

GCF(21598,21612) = 2

We will now calculate the prime factors of 21598 and 21612, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21598 and 21612.

How to find the GCF of 21598 and 21612?

We will first find the prime factorization of 21598 and 21612. After we will calculate the factors of 21598 and 21612 and find the biggest common factor number .

Step-1: Prime Factorization of 21598

Prime factors of 21598 are 2, 10799. Prime factorization of 21598 in exponential form is:

21598 = 2¹ × 10799¹

Step-2: Prime Factorization of 21612

Prime factors of 21612 are 2, 3, 1801. Prime factorization of 21612 in exponential form is:

21612 = 2² × 3¹ × 1801¹

Step-3: Factors of 21598

List of positive integer factors of 21598 that divides 21598 without a remainder.

1, 2, 10799

Step-4: Factors of 21612

List of positive integer factors of 21612 that divides 21598 without a remainder.

1, 2, 3, 4, 6, 12, 1801, 3602, 5403, 7204, 10806

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21598 and 21612. The biggest common factor number is the GCF number.
So the greatest common factor 21598 and 21612 is 2.

Also check out the Least Common Multiple of 21598 and 21612