What is the Greatest Common Factor of 8190 and 8208?

Greatest common factor (GCF) of 8190 and 8208 is 18.

GCF(8190,8208) = 18

We will now calculate the prime factors of 8190 and 8208, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8190 and 8208.

How to find the GCF of 8190 and 8208?

We will first find the prime factorization of 8190 and 8208. After we will calculate the factors of 8190 and 8208 and find the biggest common factor number .

Step-1: Prime Factorization of 8190

Prime factors of 8190 are 2, 3, 5, 7, 13. Prime factorization of 8190 in exponential form is:

8190 = 2¹ × 3² × 5¹ × 7¹ × 13¹

Step-2: Prime Factorization of 8208

Prime factors of 8208 are 2, 3, 19. Prime factorization of 8208 in exponential form is:

8208 = 2⁴ × 3³ × 19¹

Step-3: Factors of 8190

List of positive integer factors of 8190 that divides 8190 without a remainder.

1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 182, 195, 210, 234, 273, 315, 390, 455, 546, 585, 630, 819, 910, 1170, 1365, 1638, 2730, 4095

Step-4: Factors of 8208

List of positive integer factors of 8208 that divides 8190 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 144, 152, 171, 216, 228, 304, 342, 432, 456, 513, 684, 912, 1026, 1368, 2052, 2736, 4104

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8190 and 8208. The biggest common factor number is the GCF number.
So the greatest common factor 8190 and 8208 is 18.

Also check out the Least Common Multiple of 8190 and 8208