What is the Greatest Common Factor of 19730 and 19746?

Greatest common factor (GCF) of 19730 and 19746 is 2.

GCF(19730,19746) = 2

We will now calculate the prime factors of 19730 and 19746, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19730 and 19746.

How to find the GCF of 19730 and 19746?

We will first find the prime factorization of 19730 and 19746. After we will calculate the factors of 19730 and 19746 and find the biggest common factor number .

Step-1: Prime Factorization of 19730

Prime factors of 19730 are 2, 5, 1973. Prime factorization of 19730 in exponential form is:

19730 = 2¹ × 5¹ × 1973¹

Step-2: Prime Factorization of 19746

Prime factors of 19746 are 2, 3, 1097. Prime factorization of 19746 in exponential form is:

19746 = 2¹ × 3² × 1097¹

Step-3: Factors of 19730

List of positive integer factors of 19730 that divides 19730 without a remainder.

1, 2, 5, 10, 1973, 3946, 9865

Step-4: Factors of 19746

List of positive integer factors of 19746 that divides 19730 without a remainder.

1, 2, 3, 6, 9, 18, 1097, 2194, 3291, 6582, 9873

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19730 and 19746. The biggest common factor number is the GCF number.
So the greatest common factor 19730 and 19746 is 2.

Also check out the Least Common Multiple of 19730 and 19746