What is the Greatest Common Factor of 20632 and 20646?

Greatest common factor (GCF) of 20632 and 20646 is 2.

GCF(20632,20646) = 2

We will now calculate the prime factors of 20632 and 20646, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20632 and 20646.

How to find the GCF of 20632 and 20646?

We will first find the prime factorization of 20632 and 20646. After we will calculate the factors of 20632 and 20646 and find the biggest common factor number .

Step-1: Prime Factorization of 20632

Prime factors of 20632 are 2, 2579. Prime factorization of 20632 in exponential form is:

20632 = 2³ × 2579¹

Step-2: Prime Factorization of 20646

Prime factors of 20646 are 2, 3, 31, 37. Prime factorization of 20646 in exponential form is:

20646 = 2¹ × 3² × 31¹ × 37¹

Step-3: Factors of 20632

List of positive integer factors of 20632 that divides 20632 without a remainder.

1, 2, 4, 8, 2579, 5158, 10316

Step-4: Factors of 20646

List of positive integer factors of 20646 that divides 20632 without a remainder.

1, 2, 3, 6, 9, 18, 31, 37, 62, 74, 93, 111, 186, 222, 279, 333, 558, 666, 1147, 2294, 3441, 6882, 10323

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20632 and 20646. The biggest common factor number is the GCF number.
So the greatest common factor 20632 and 20646 is 2.

Also check out the Least Common Multiple of 20632 and 20646