What is the Greatest Common Factor of 39843 and 39862?

Greatest common factor (GCF) of 39843 and 39862 is 19.

GCF(39843,39862) = 19

We will now calculate the prime factors of 39843 and 39862, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39843 and 39862.

How to find the GCF of 39843 and 39862?

We will first find the prime factorization of 39843 and 39862. After we will calculate the factors of 39843 and 39862 and find the biggest common factor number .

Step-1: Prime Factorization of 39843

Prime factors of 39843 are 3, 19, 233. Prime factorization of 39843 in exponential form is:

39843 = 3² × 19¹ × 233¹

Step-2: Prime Factorization of 39862

Prime factors of 39862 are 2, 19, 1049. Prime factorization of 39862 in exponential form is:

39862 = 2¹ × 19¹ × 1049¹

Step-3: Factors of 39843

List of positive integer factors of 39843 that divides 39843 without a remainder.

1, 3, 9, 19, 57, 171, 233, 699, 2097, 4427, 13281

Step-4: Factors of 39862

List of positive integer factors of 39862 that divides 39843 without a remainder.

1, 2, 19, 38, 1049, 2098, 19931

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39843 and 39862. The biggest common factor number is the GCF number.
So the greatest common factor 39843 and 39862 is 19.

Also check out the Least Common Multiple of 39843 and 39862