What is the Greatest Common Factor of 17085 and 17090?

Greatest common factor (GCF) of 17085 and 17090 is 5.

GCF(17085,17090) = 5

We will now calculate the prime factors of 17085 and 17090, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17085 and 17090.

How to find the GCF of 17085 and 17090?

We will first find the prime factorization of 17085 and 17090. After we will calculate the factors of 17085 and 17090 and find the biggest common factor number .

Step-1: Prime Factorization of 17085

Prime factors of 17085 are 3, 5, 17, 67. Prime factorization of 17085 in exponential form is:

17085 = 3¹ × 5¹ × 17¹ × 67¹

Step-2: Prime Factorization of 17090

Prime factors of 17090 are 2, 5, 1709. Prime factorization of 17090 in exponential form is:

17090 = 2¹ × 5¹ × 1709¹

Step-3: Factors of 17085

List of positive integer factors of 17085 that divides 17085 without a remainder.

1, 3, 5, 15, 17, 51, 67, 85, 201, 255, 335, 1005, 1139, 3417, 5695

Step-4: Factors of 17090

List of positive integer factors of 17090 that divides 17085 without a remainder.

1, 2, 5, 10, 1709, 3418, 8545

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17085 and 17090. The biggest common factor number is the GCF number.
So the greatest common factor 17085 and 17090 is 5.

Also check out the Least Common Multiple of 17085 and 17090