What is the Greatest Common Factor of 34785 and 34790?

Greatest common factor (GCF) of 34785 and 34790 is 5.

GCF(34785,34790) = 5

We will now calculate the prime factors of 34785 and 34790, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 34785 and 34790.

How to find the GCF of 34785 and 34790?

We will first find the prime factorization of 34785 and 34790. After we will calculate the factors of 34785 and 34790 and find the biggest common factor number .

Step-1: Prime Factorization of 34785

Prime factors of 34785 are 3, 5, 773. Prime factorization of 34785 in exponential form is:

34785 = 3² × 5¹ × 773¹

Step-2: Prime Factorization of 34790

Prime factors of 34790 are 2, 5, 7, 71. Prime factorization of 34790 in exponential form is:

34790 = 2¹ × 5¹ × 7² × 71¹

Step-3: Factors of 34785

List of positive integer factors of 34785 that divides 34785 without a remainder.

1, 3, 5, 9, 15, 45, 773, 2319, 3865, 6957, 11595

Step-4: Factors of 34790

List of positive integer factors of 34790 that divides 34785 without a remainder.

1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 355, 490, 497, 710, 994, 2485, 3479, 4970, 6958, 17395

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 34785 and 34790. The biggest common factor number is the GCF number.
So the greatest common factor 34785 and 34790 is 5.

Also check out the Least Common Multiple of 34785 and 34790