What is the Greatest Common Factor of 43665 and 43685?

Greatest common factor (GCF) of 43665 and 43685 is 5.

GCF(43665,43685) = 5

We will now calculate the prime factors of 43665 and 43685, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43665 and 43685.

How to find the GCF of 43665 and 43685?

We will first find the prime factorization of 43665 and 43685. After we will calculate the factors of 43665 and 43685 and find the biggest common factor number .

Step-1: Prime Factorization of 43665

Prime factors of 43665 are 3, 5, 41, 71. Prime factorization of 43665 in exponential form is:

43665 = 3¹ × 5¹ × 41¹ × 71¹

Step-2: Prime Factorization of 43685

Prime factors of 43685 are 5, 8737. Prime factorization of 43685 in exponential form is:

43685 = 5¹ × 8737¹

Step-3: Factors of 43665

List of positive integer factors of 43665 that divides 43665 without a remainder.

1, 3, 5, 15, 41, 71, 123, 205, 213, 355, 615, 1065, 2911, 8733, 14555

Step-4: Factors of 43685

List of positive integer factors of 43685 that divides 43665 without a remainder.

1, 5, 8737

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43665 and 43685. The biggest common factor number is the GCF number.
So the greatest common factor 43665 and 43685 is 5.

Also check out the Least Common Multiple of 43665 and 43685