What is the Greatest Common Factor of 39890 and 39894?

Greatest common factor (GCF) of 39890 and 39894 is 2.

GCF(39890,39894) = 2

We will now calculate the prime factors of 39890 and 39894, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39890 and 39894.

How to find the GCF of 39890 and 39894?

We will first find the prime factorization of 39890 and 39894. After we will calculate the factors of 39890 and 39894 and find the biggest common factor number .

Step-1: Prime Factorization of 39890

Prime factors of 39890 are 2, 5, 3989. Prime factorization of 39890 in exponential form is:

39890 = 2¹ × 5¹ × 3989¹

Step-2: Prime Factorization of 39894

Prime factors of 39894 are 2, 3, 61, 109. Prime factorization of 39894 in exponential form is:

39894 = 2¹ × 3¹ × 61¹ × 109¹

Step-3: Factors of 39890

List of positive integer factors of 39890 that divides 39890 without a remainder.

1, 2, 5, 10, 3989, 7978, 19945

Step-4: Factors of 39894

List of positive integer factors of 39894 that divides 39890 without a remainder.

1, 2, 3, 6, 61, 109, 122, 183, 218, 327, 366, 654, 6649, 13298, 19947

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39890 and 39894. The biggest common factor number is the GCF number.
So the greatest common factor 39890 and 39894 is 2.

Also check out the Least Common Multiple of 39890 and 39894