GCF and LCM Calculator Logo

What is the Greatest Common Factor of 39954 and 39966?

Greatest common factor (GCF) of 39954 and 39966 is 6.

GCF(39954,39966) = 6

We will now calculate the prime factors of 39954 and 39966, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39954 and 39966.

GCF Calculator and
and

How to find the GCF of 39954 and 39966?

We will first find the prime factorization of 39954 and 39966. After we will calculate the factors of 39954 and 39966 and find the biggest common factor number .

Step-1: Prime Factorization of 39954

Prime factors of 39954 are 2, 3, 6659. Prime factorization of 39954 in exponential form is:

39954 = 21 × 31 × 66591

Step-2: Prime Factorization of 39966

Prime factors of 39966 are 2, 3, 6661. Prime factorization of 39966 in exponential form is:

39966 = 21 × 31 × 66611

Step-3: Factors of 39954

List of positive integer factors of 39954 that divides 39954 without a remainder.

1, 2, 3, 6, 6659, 13318, 19977

Step-4: Factors of 39966

List of positive integer factors of 39966 that divides 39954 without a remainder.

1, 2, 3, 6, 6661, 13322, 19983

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39954 and 39966. The biggest common factor number is the GCF number.
So the greatest common factor 39954 and 39966 is 6.

Also check out the Least Common Multiple of 39954 and 39966