What is the Greatest Common Factor of 21613 and 21632?

Greatest common factor (GCF) of 21613 and 21632 is 1.

GCF(21613,21632) = 1

We will now calculate the prime factors of 21613 and 21632, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21613 and 21632.

How to find the GCF of 21613 and 21632?

We will first find the prime factorization of 21613 and 21632. After we will calculate the factors of 21613 and 21632 and find the biggest common factor number .

Step-1: Prime Factorization of 21613

Prime factors of 21613 are 21613. Prime factorization of 21613 in exponential form is:

21613 = 21613¹

Step-2: Prime Factorization of 21632

Prime factors of 21632 are 2, 13. Prime factorization of 21632 in exponential form is:

21632 = 2⁷ × 13²

Step-3: Factors of 21613

List of positive integer factors of 21613 that divides 21613 without a remainder.

Step-4: Factors of 21632

List of positive integer factors of 21632 that divides 21613 without a remainder.

1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 338, 416, 676, 832, 1352, 1664, 2704, 5408, 10816

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 21613 and 21632. The biggest common factor number is the GCF number.
So the greatest common factor 21613 and 21632 is 1.

Also check out the Least Common Multiple of 21613 and 21632