What is the Greatest Common Factor of 39765 and 39774?

Greatest common factor (GCF) of 39765 and 39774 is 3.

GCF(39765,39774) = 3

We will now calculate the prime factors of 39765 and 39774, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39765 and 39774.

How to find the GCF of 39765 and 39774?

We will first find the prime factorization of 39765 and 39774. After we will calculate the factors of 39765 and 39774 and find the biggest common factor number .

Step-1: Prime Factorization of 39765

Prime factors of 39765 are 3, 5, 11, 241. Prime factorization of 39765 in exponential form is:

39765 = 3¹ × 5¹ × 11¹ × 241¹

Step-2: Prime Factorization of 39774

Prime factors of 39774 are 2, 3, 7, 947. Prime factorization of 39774 in exponential form is:

39774 = 2¹ × 3¹ × 7¹ × 947¹

Step-3: Factors of 39765

List of positive integer factors of 39765 that divides 39765 without a remainder.

1, 3, 5, 11, 15, 33, 55, 165, 241, 723, 1205, 2651, 3615, 7953, 13255

Step-4: Factors of 39774

List of positive integer factors of 39774 that divides 39765 without a remainder.

1, 2, 3, 6, 7, 14, 21, 42, 947, 1894, 2841, 5682, 6629, 13258, 19887

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39765 and 39774. The biggest common factor number is the GCF number.
So the greatest common factor 39765 and 39774 is 3.

Also check out the Least Common Multiple of 39765 and 39774