What is the Greatest Common Factor of 43290 and 43308?

Greatest common factor (GCF) of 43290 and 43308 is 18.

GCF(43290,43308) = 18

We will now calculate the prime factors of 43290 and 43308, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43290 and 43308.

How to find the GCF of 43290 and 43308?

We will first find the prime factorization of 43290 and 43308. After we will calculate the factors of 43290 and 43308 and find the biggest common factor number .

Step-1: Prime Factorization of 43290

Prime factors of 43290 are 2, 3, 5, 13, 37. Prime factorization of 43290 in exponential form is:

43290 = 2¹ × 3² × 5¹ × 13¹ × 37¹

Step-2: Prime Factorization of 43308

Prime factors of 43308 are 2, 3, 401. Prime factorization of 43308 in exponential form is:

43308 = 2² × 3³ × 401¹

Step-3: Factors of 43290

List of positive integer factors of 43290 that divides 43290 without a remainder.

1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 37, 39, 45, 65, 74, 78, 90, 111, 117, 130, 185, 195, 222, 234, 333, 370, 390, 481, 555, 585, 666, 962, 1110, 1170, 1443, 1665, 2405, 2886, 3330, 4329, 4810, 7215, 8658, 14430, 21645

Step-4: Factors of 43308

List of positive integer factors of 43308 that divides 43290 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 401, 802, 1203, 1604, 2406, 3609, 4812, 7218, 10827, 14436, 21654

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43290 and 43308. The biggest common factor number is the GCF number.
So the greatest common factor 43290 and 43308 is 18.

Also check out the Least Common Multiple of 43290 and 43308