What is the Greatest Common Factor of 42927 and 42939?

Greatest common factor (GCF) of 42927 and 42939 is 3.

GCF(42927,42939) = 3

We will now calculate the prime factors of 42927 and 42939, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42927 and 42939.

How to find the GCF of 42927 and 42939?

We will first find the prime factorization of 42927 and 42939. After we will calculate the factors of 42927 and 42939 and find the biggest common factor number .

Step-1: Prime Factorization of 42927

Prime factors of 42927 are 3, 41, 349. Prime factorization of 42927 in exponential form is:

42927 = 3¹ × 41¹ × 349¹

Step-2: Prime Factorization of 42939

Prime factors of 42939 are 3, 13, 367. Prime factorization of 42939 in exponential form is:

42939 = 3² × 13¹ × 367¹

Step-3: Factors of 42927

List of positive integer factors of 42927 that divides 42927 without a remainder.

1, 3, 41, 123, 349, 1047, 14309

Step-4: Factors of 42939

List of positive integer factors of 42939 that divides 42927 without a remainder.

1, 3, 9, 13, 39, 117, 367, 1101, 3303, 4771, 14313

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42927 and 42939. The biggest common factor number is the GCF number.
So the greatest common factor 42927 and 42939 is 3.

Also check out the Least Common Multiple of 42927 and 42939