What is the Greatest Common Factor of 19910 and 19924?

Greatest common factor (GCF) of 19910 and 19924 is 2.

GCF(19910,19924) = 2

We will now calculate the prime factors of 19910 and 19924, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19910 and 19924.

How to find the GCF of 19910 and 19924?

We will first find the prime factorization of 19910 and 19924. After we will calculate the factors of 19910 and 19924 and find the biggest common factor number .

Step-1: Prime Factorization of 19910

Prime factors of 19910 are 2, 5, 11, 181. Prime factorization of 19910 in exponential form is:

19910 = 2¹ × 5¹ × 11¹ × 181¹

Step-2: Prime Factorization of 19924

Prime factors of 19924 are 2, 17, 293. Prime factorization of 19924 in exponential form is:

19924 = 2² × 17¹ × 293¹

Step-3: Factors of 19910

List of positive integer factors of 19910 that divides 19910 without a remainder.

1, 2, 5, 10, 11, 22, 55, 110, 181, 362, 905, 1810, 1991, 3982, 9955

Step-4: Factors of 19924

List of positive integer factors of 19924 that divides 19910 without a remainder.

1, 2, 4, 17, 34, 68, 293, 586, 1172, 4981, 9962

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19910 and 19924. The biggest common factor number is the GCF number.
So the greatest common factor 19910 and 19924 is 2.

Also check out the Least Common Multiple of 19910 and 19924