What is the Greatest Common Factor of 18756 and 18774?

Greatest common factor (GCF) of 18756 and 18774 is 18.

GCF(18756,18774) = 18

We will now calculate the prime factors of 18756 and 18774, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18756 and 18774.

How to find the GCF of 18756 and 18774?

We will first find the prime factorization of 18756 and 18774. After we will calculate the factors of 18756 and 18774 and find the biggest common factor number .

Step-1: Prime Factorization of 18756

Prime factors of 18756 are 2, 3, 521. Prime factorization of 18756 in exponential form is:

18756 = 2² × 3² × 521¹

Step-2: Prime Factorization of 18774

Prime factors of 18774 are 2, 3, 7, 149. Prime factorization of 18774 in exponential form is:

18774 = 2¹ × 3² × 7¹ × 149¹

Step-3: Factors of 18756

List of positive integer factors of 18756 that divides 18756 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 36, 521, 1042, 1563, 2084, 3126, 4689, 6252, 9378

Step-4: Factors of 18774

List of positive integer factors of 18774 that divides 18756 without a remainder.

1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 149, 298, 447, 894, 1043, 1341, 2086, 2682, 3129, 6258, 9387

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18756 and 18774. The biggest common factor number is the GCF number.
So the greatest common factor 18756 and 18774 is 18.

Also check out the Least Common Multiple of 18756 and 18774