What is the Greatest Common Factor of 19842 and 19852?

Greatest common factor (GCF) of 19842 and 19852 is 2.

GCF(19842,19852) = 2

We will now calculate the prime factors of 19842 and 19852, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19842 and 19852.

How to find the GCF of 19842 and 19852?

We will first find the prime factorization of 19842 and 19852. After we will calculate the factors of 19842 and 19852 and find the biggest common factor number .

Step-1: Prime Factorization of 19842

Prime factors of 19842 are 2, 3, 3307. Prime factorization of 19842 in exponential form is:

19842 = 2¹ × 3¹ × 3307¹

Step-2: Prime Factorization of 19852

Prime factors of 19852 are 2, 7, 709. Prime factorization of 19852 in exponential form is:

19852 = 2² × 7¹ × 709¹

Step-3: Factors of 19842

List of positive integer factors of 19842 that divides 19842 without a remainder.

1, 2, 3, 6, 3307, 6614, 9921

Step-4: Factors of 19852

List of positive integer factors of 19852 that divides 19842 without a remainder.

1, 2, 4, 7, 14, 28, 709, 1418, 2836, 4963, 9926

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19842 and 19852. The biggest common factor number is the GCF number.
So the greatest common factor 19842 and 19852 is 2.

Also check out the Least Common Multiple of 19842 and 19852