What is the Greatest Common Factor of 43385 and 43390?

Greatest common factor (GCF) of 43385 and 43390 is 5.

GCF(43385,43390) = 5

We will now calculate the prime factors of 43385 and 43390, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43385 and 43390.

How to find the GCF of 43385 and 43390?

We will first find the prime factorization of 43385 and 43390. After we will calculate the factors of 43385 and 43390 and find the biggest common factor number .

Step-1: Prime Factorization of 43385

Prime factors of 43385 are 5, 8677. Prime factorization of 43385 in exponential form is:

43385 = 5¹ × 8677¹

Step-2: 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-3: Factors of 43385

List of positive integer factors of 43385 that divides 43385 without a remainder.

1, 5, 8677

Step-4: Factors of 43390

List of positive integer factors of 43390 that divides 43385 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43385 and 43390. The biggest common factor number is the GCF number.
So the greatest common factor 43385 and 43390 is 5.

Also check out the Least Common Multiple of 43385 and 43390