What is the Greatest Common Factor of 19920 and 19937?

Greatest common factor (GCF) of 19920 and 19937 is 1.

GCF(19920,19937) = 1

We will now calculate the prime factors of 19920 and 19937, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19920 and 19937.

How to find the GCF of 19920 and 19937?

We will first find the prime factorization of 19920 and 19937. After we will calculate the factors of 19920 and 19937 and find the biggest common factor number .

Step-1: Prime Factorization of 19920

Prime factors of 19920 are 2, 3, 5, 83. Prime factorization of 19920 in exponential form is:

19920 = 2⁴ × 3¹ × 5¹ × 83¹

Step-2: Prime Factorization of 19937

Prime factors of 19937 are 19937. Prime factorization of 19937 in exponential form is:

19937 = 19937¹

Step-3: Factors of 19920

List of positive integer factors of 19920 that divides 19920 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 83, 120, 166, 240, 249, 332, 415, 498, 664, 830, 996, 1245, 1328, 1660, 1992, 2490, 3320, 3984, 4980, 6640, 9960

Step-4: Factors of 19937

List of positive integer factors of 19937 that divides 19920 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19920 and 19937. The biggest common factor number is the GCF number.
So the greatest common factor 19920 and 19937 is 1.

Also check out the Least Common Multiple of 19920 and 19937