What is the Greatest Common Factor of 19720 and 19727?

Greatest common factor (GCF) of 19720 and 19727 is 1.

GCF(19720,19727) = 1

We will now calculate the prime factors of 19720 and 19727, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19720 and 19727.

How to find the GCF of 19720 and 19727?

We will first find the prime factorization of 19720 and 19727. After we will calculate the factors of 19720 and 19727 and find the biggest common factor number .

Step-1: Prime Factorization of 19720

Prime factors of 19720 are 2, 5, 17, 29. Prime factorization of 19720 in exponential form is:

19720 = 2³ × 5¹ × 17¹ × 29¹

Step-2: Prime Factorization of 19727

Prime factors of 19727 are 19727. Prime factorization of 19727 in exponential form is:

19727 = 19727¹

Step-3: Factors of 19720

List of positive integer factors of 19720 that divides 19720 without a remainder.

1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 986, 1160, 1972, 2465, 3944, 4930, 9860

Step-4: Factors of 19727

List of positive integer factors of 19727 that divides 19720 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19720 and 19727. The biggest common factor number is the GCF number.
So the greatest common factor 19720 and 19727 is 1.

Also check out the Least Common Multiple of 19720 and 19727