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What is the Greatest Common Factor of 585 and 598?

Greatest common factor (GCF) of 585 and 598 is 13.

GCF(585,598) = 13

We will now calculate the prime factors of 585 and 598, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 585 and 598.

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How to find the GCF of 585 and 598?

We will first find the prime factorization of 585 and 598. After we will calculate the factors of 585 and 598 and find the biggest common factor number .

Step-1: Prime Factorization of 585

Prime factors of 585 are 3, 5, 13. Prime factorization of 585 in exponential form is:

585 = 32 × 51 × 131

Step-2: Prime Factorization of 598

Prime factors of 598 are 2, 13, 23. Prime factorization of 598 in exponential form is:

598 = 21 × 131 × 231

Step-3: Factors of 585

List of positive integer factors of 585 that divides 585 without a remainder.

1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195

Step-4: Factors of 598

List of positive integer factors of 598 that divides 585 without a remainder.

1, 2, 13, 23, 26, 46, 299

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 585 and 598. The biggest common factor number is the GCF number.
So the greatest common factor 585 and 598 is 13.

Also check out the Least Common Multiple of 585 and 598