What is the Greatest Common Factor of 19935 and 19942?

Greatest common factor (GCF) of 19935 and 19942 is 1.

GCF(19935,19942) = 1

We will now calculate the prime factors of 19935 and 19942, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19935 and 19942.

How to find the GCF of 19935 and 19942?

We will first find the prime factorization of 19935 and 19942. After we will calculate the factors of 19935 and 19942 and find the biggest common factor number .

Step-1: Prime Factorization of 19935

Prime factors of 19935 are 3, 5, 443. Prime factorization of 19935 in exponential form is:

19935 = 3² × 5¹ × 443¹

Step-2: Prime Factorization of 19942

Prime factors of 19942 are 2, 13, 59. Prime factorization of 19942 in exponential form is:

19942 = 2¹ × 13² × 59¹

Step-3: Factors of 19935

List of positive integer factors of 19935 that divides 19935 without a remainder.

1, 3, 5, 9, 15, 45, 443, 1329, 2215, 3987, 6645

Step-4: Factors of 19942

List of positive integer factors of 19942 that divides 19935 without a remainder.

1, 2, 13, 26, 59, 118, 169, 338, 767, 1534, 9971

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19935 and 19942. The biggest common factor number is the GCF number.
So the greatest common factor 19935 and 19942 is 1.

Also check out the Least Common Multiple of 19935 and 19942