What is the Greatest Common Factor of 43390 and 43398?

Greatest common factor (GCF) of 43390 and 43398 is 2.

GCF(43390,43398) = 2

We will now calculate the prime factors of 43390 and 43398, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43390 and 43398.

How to find the GCF of 43390 and 43398?

We will first find the prime factorization of 43390 and 43398. After we will calculate the factors of 43390 and 43398 and find the biggest common factor number .

Step-1: Prime Factorization of 43390

Prime factors of 43390 are 2, 5, 4339. Prime factorization of 43390 in exponential form is:

43390 = 2¹ × 5¹ × 4339¹

Step-2: Prime Factorization of 43398

Prime factors of 43398 are 2, 3, 2411. Prime factorization of 43398 in exponential form is:

43398 = 2¹ × 3² × 2411¹

Step-3: Factors of 43390

List of positive integer factors of 43390 that divides 43390 without a remainder.

1, 2, 5, 10, 4339, 8678, 21695

Step-4: Factors of 43398

List of positive integer factors of 43398 that divides 43390 without a remainder.

1, 2, 3, 6, 9, 18, 2411, 4822, 7233, 14466, 21699

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43390 and 43398. The biggest common factor number is the GCF number.
So the greatest common factor 43390 and 43398 is 2.

Also check out the Least Common Multiple of 43390 and 43398