What is the Greatest Common Factor of 67311 and 67320?

Greatest common factor (GCF) of 67311 and 67320 is 9.

GCF(67311,67320) = 9

We will now calculate the prime factors of 67311 and 67320, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67311 and 67320.

How to find the GCF of 67311 and 67320?

We will first find the prime factorization of 67311 and 67320. After we will calculate the factors of 67311 and 67320 and find the biggest common factor number .

Step-1: Prime Factorization of 67311

Prime factors of 67311 are 3, 277. Prime factorization of 67311 in exponential form is:

67311 = 3⁵ × 277¹

Step-2: Prime Factorization of 67320

Prime factors of 67320 are 2, 3, 5, 11, 17. Prime factorization of 67320 in exponential form is:

67320 = 2³ × 3² × 5¹ × 11¹ × 17¹

Step-3: Factors of 67311

List of positive integer factors of 67311 that divides 67311 without a remainder.

1, 3, 9, 27, 81, 243, 277, 831, 2493, 7479, 22437

Step-4: Factors of 67320

List of positive integer factors of 67320 that divides 67311 without a remainder.

1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 51, 55, 60, 66, 68, 72, 85, 88, 90, 99, 102, 110, 120, 132, 136, 153, 165, 170, 180, 187, 198, 204, 220, 255, 264, 306, 330, 340, 360, 374, 396, 408, 440, 495, 510, 561, 612, 660, 680, 748, 765, 792, 935, 990, 1020, 1122, 1224, 1320, 1496, 1530, 1683, 1870, 1980, 2040, 2244, 2805, 3060, 3366, 3740, 3960, 4488, 5610, 6120, 6732, 7480, 8415, 11220, 13464, 16830, 22440, 33660

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67311 and 67320. The biggest common factor number is the GCF number.
So the greatest common factor 67311 and 67320 is 9.

Also check out the Least Common Multiple of 67311 and 67320