What is the Greatest Common Factor of 19911 and 19925?

Greatest common factor (GCF) of 19911 and 19925 is 1.

GCF(19911,19925) = 1

We will now calculate the prime factors of 19911 and 19925, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19911 and 19925.

How to find the GCF of 19911 and 19925?

We will first find the prime factorization of 19911 and 19925. After we will calculate the factors of 19911 and 19925 and find the biggest common factor number .

Step-1: Prime Factorization of 19911

Prime factors of 19911 are 3, 6637. Prime factorization of 19911 in exponential form is:

19911 = 3¹ × 6637¹

Step-2: Prime Factorization of 19925

Prime factors of 19925 are 5, 797. Prime factorization of 19925 in exponential form is:

19925 = 5² × 797¹

Step-3: Factors of 19911

List of positive integer factors of 19911 that divides 19911 without a remainder.

1, 3, 6637

Step-4: Factors of 19925

List of positive integer factors of 19925 that divides 19911 without a remainder.

1, 5, 25, 797, 3985

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19911 and 19925. The biggest common factor number is the GCF number.
So the greatest common factor 19911 and 19925 is 1.

Also check out the Least Common Multiple of 19911 and 19925