What is the Greatest Common Factor of 40770 and 40785?

Greatest common factor (GCF) of 40770 and 40785 is 15.

GCF(40770,40785) = 15

We will now calculate the prime factors of 40770 and 40785, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40770 and 40785.

How to find the GCF of 40770 and 40785?

We will first find the prime factorization of 40770 and 40785. After we will calculate the factors of 40770 and 40785 and find the biggest common factor number .

Step-1: Prime Factorization of 40770

Prime factors of 40770 are 2, 3, 5, 151. Prime factorization of 40770 in exponential form is:

40770 = 2¹ × 3³ × 5¹ × 151¹

Step-2: Prime Factorization of 40785

Prime factors of 40785 are 3, 5, 2719. Prime factorization of 40785 in exponential form is:

40785 = 3¹ × 5¹ × 2719¹

Step-3: Factors of 40770

List of positive integer factors of 40770 that divides 40770 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 151, 270, 302, 453, 755, 906, 1359, 1510, 2265, 2718, 4077, 4530, 6795, 8154, 13590, 20385

Step-4: Factors of 40785

List of positive integer factors of 40785 that divides 40770 without a remainder.

1, 3, 5, 15, 2719, 8157, 13595

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40770 and 40785. The biggest common factor number is the GCF number.
So the greatest common factor 40770 and 40785 is 15.

Also check out the Least Common Multiple of 40770 and 40785