What is the Greatest Common Factor of 40785 and 40790?

Greatest common factor (GCF) of 40785 and 40790 is 5.

GCF(40785,40790) = 5

We will now calculate the prime factors of 40785 and 40790, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40785 and 40790.

How to find the GCF of 40785 and 40790?

We will first find the prime factorization of 40785 and 40790. After we will calculate the factors of 40785 and 40790 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 40790

Prime factors of 40790 are 2, 5, 4079. Prime factorization of 40790 in exponential form is:

40790 = 2¹ × 5¹ × 4079¹

Step-3: Factors of 40785

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

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

Step-4: Factors of 40790

List of positive integer factors of 40790 that divides 40785 without a remainder.

1, 2, 5, 10, 4079, 8158, 20395

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40785 and 40790. The biggest common factor number is the GCF number.
So the greatest common factor 40785 and 40790 is 5.

Also check out the Least Common Multiple of 40785 and 40790