What is the Greatest Common Factor of 39918 and 39930?

Greatest common factor (GCF) of 39918 and 39930 is 6.

GCF(39918,39930) = 6

We will now calculate the prime factors of 39918 and 39930, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39918 and 39930.

How to find the GCF of 39918 and 39930?

We will first find the prime factorization of 39918 and 39930. After we will calculate the factors of 39918 and 39930 and find the biggest common factor number .

Step-1: Prime Factorization of 39918

Prime factors of 39918 are 2, 3, 6653. Prime factorization of 39918 in exponential form is:

39918 = 2¹ × 3¹ × 6653¹

Step-2: Prime Factorization of 39930

Prime factors of 39930 are 2, 3, 5, 11. Prime factorization of 39930 in exponential form is:

39930 = 2¹ × 3¹ × 5¹ × 11³

Step-3: Factors of 39918

List of positive integer factors of 39918 that divides 39918 without a remainder.

1, 2, 3, 6, 6653, 13306, 19959

Step-4: Factors of 39930

List of positive integer factors of 39930 that divides 39918 without a remainder.

1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 121, 165, 242, 330, 363, 605, 726, 1210, 1331, 1815, 2662, 3630, 3993, 6655, 7986, 13310, 19965

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39918 and 39930. The biggest common factor number is the GCF number.
So the greatest common factor 39918 and 39930 is 6.

Also check out the Least Common Multiple of 39918 and 39930