What is the Greatest Common Factor of 17775 and 17785?

Greatest common factor (GCF) of 17775 and 17785 is 5.

GCF(17775,17785) = 5

We will now calculate the prime factors of 17775 and 17785, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17775 and 17785.

How to find the GCF of 17775 and 17785?

We will first find the prime factorization of 17775 and 17785. After we will calculate the factors of 17775 and 17785 and find the biggest common factor number .

Step-1: Prime Factorization of 17775

Prime factors of 17775 are 3, 5, 79. Prime factorization of 17775 in exponential form is:

17775 = 3² × 5² × 79¹

Step-2: Prime Factorization of 17785

Prime factors of 17785 are 5, 3557. Prime factorization of 17785 in exponential form is:

17785 = 5¹ × 3557¹

Step-3: Factors of 17775

List of positive integer factors of 17775 that divides 17775 without a remainder.

1, 3, 5, 9, 15, 25, 45, 75, 79, 225, 237, 395, 711, 1185, 1975, 3555, 5925

Step-4: Factors of 17785

List of positive integer factors of 17785 that divides 17775 without a remainder.

1, 5, 3557

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17775 and 17785. The biggest common factor number is the GCF number.
So the greatest common factor 17775 and 17785 is 5.

Also check out the Least Common Multiple of 17775 and 17785