What is the Greatest Common Factor of 37785 and 37791?

Greatest common factor (GCF) of 37785 and 37791 is 3.

GCF(37785,37791) = 3

We will now calculate the prime factors of 37785 and 37791, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 37785 and 37791.

How to find the GCF of 37785 and 37791?

We will first find the prime factorization of 37785 and 37791. After we will calculate the factors of 37785 and 37791 and find the biggest common factor number .

Step-1: Prime Factorization of 37785

Prime factors of 37785 are 3, 5, 11, 229. Prime factorization of 37785 in exponential form is:

37785 = 3¹ × 5¹ × 11¹ × 229¹

Step-2: Prime Factorization of 37791

Prime factors of 37791 are 3, 13, 17, 19. Prime factorization of 37791 in exponential form is:

37791 = 3² × 13¹ × 17¹ × 19¹

Step-3: Factors of 37785

List of positive integer factors of 37785 that divides 37785 without a remainder.

1, 3, 5, 11, 15, 33, 55, 165, 229, 687, 1145, 2519, 3435, 7557, 12595

Step-4: Factors of 37791

List of positive integer factors of 37791 that divides 37785 without a remainder.

1, 3, 9, 13, 17, 19, 39, 51, 57, 117, 153, 171, 221, 247, 323, 663, 741, 969, 1989, 2223, 2907, 4199, 12597

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 37785 and 37791. The biggest common factor number is the GCF number.
So the greatest common factor 37785 and 37791 is 3.

Also check out the Least Common Multiple of 37785 and 37791