What is the Greatest Common Factor of 8559 and 8568?

Greatest common factor (GCF) of 8559 and 8568 is 9.

GCF(8559,8568) = 9

We will now calculate the prime factors of 8559 and 8568, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8559 and 8568.

How to find the GCF of 8559 and 8568?

We will first find the prime factorization of 8559 and 8568. After we will calculate the factors of 8559 and 8568 and find the biggest common factor number .

Step-1: Prime Factorization of 8559

Prime factors of 8559 are 3, 317. Prime factorization of 8559 in exponential form is:

8559 = 3³ × 317¹

Step-2: Prime Factorization of 8568

Prime factors of 8568 are 2, 3, 7, 17. Prime factorization of 8568 in exponential form is:

8568 = 2³ × 3² × 7¹ × 17¹

Step-3: Factors of 8559

List of positive integer factors of 8559 that divides 8559 without a remainder.

1, 3, 9, 27, 317, 951, 2853

Step-4: Factors of 8568

List of positive integer factors of 8568 that divides 8559 without a remainder.

1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 28, 34, 36, 42, 51, 56, 63, 68, 72, 84, 102, 119, 126, 136, 153, 168, 204, 238, 252, 306, 357, 408, 476, 504, 612, 714, 952, 1071, 1224, 1428, 2142, 2856, 4284

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8559 and 8568. The biggest common factor number is the GCF number.
So the greatest common factor 8559 and 8568 is 9.

Also check out the Least Common Multiple of 8559 and 8568