What is the Greatest Common Factor of 43005 and 43015?

Greatest common factor (GCF) of 43005 and 43015 is 5.

GCF(43005,43015) = 5

We will now calculate the prime factors of 43005 and 43015, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43005 and 43015.

How to find the GCF of 43005 and 43015?

We will first find the prime factorization of 43005 and 43015. After we will calculate the factors of 43005 and 43015 and find the biggest common factor number .

Step-1: Prime Factorization of 43005

Prime factors of 43005 are 3, 5, 47, 61. Prime factorization of 43005 in exponential form is:

43005 = 3¹ × 5¹ × 47¹ × 61¹

Step-2: Prime Factorization of 43015

Prime factors of 43015 are 5, 7, 1229. Prime factorization of 43015 in exponential form is:

43015 = 5¹ × 7¹ × 1229¹

Step-3: Factors of 43005

List of positive integer factors of 43005 that divides 43005 without a remainder.

1, 3, 5, 15, 47, 61, 141, 183, 235, 305, 705, 915, 2867, 8601, 14335

Step-4: Factors of 43015

List of positive integer factors of 43015 that divides 43005 without a remainder.

1, 5, 7, 35, 1229, 6145, 8603

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43005 and 43015. The biggest common factor number is the GCF number.
So the greatest common factor 43005 and 43015 is 5.

Also check out the Least Common Multiple of 43005 and 43015