What is the Greatest Common Factor of 43605 and 43615?

Greatest common factor (GCF) of 43605 and 43615 is 5.

GCF(43605,43615) = 5

We will now calculate the prime factors of 43605 and 43615, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43605 and 43615.

How to find the GCF of 43605 and 43615?

We will first find the prime factorization of 43605 and 43615. After we will calculate the factors of 43605 and 43615 and find the biggest common factor number .

Step-1: Prime Factorization of 43605

Prime factors of 43605 are 3, 5, 17, 19. Prime factorization of 43605 in exponential form is:

43605 = 3³ × 5¹ × 17¹ × 19¹

Step-2: Prime Factorization of 43615

Prime factors of 43615 are 5, 11, 13, 61. Prime factorization of 43615 in exponential form is:

43615 = 5¹ × 11¹ × 13¹ × 61¹

Step-3: Factors of 43605

List of positive integer factors of 43605 that divides 43605 without a remainder.

1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 85, 95, 135, 153, 171, 255, 285, 323, 459, 513, 765, 855, 969, 1615, 2295, 2565, 2907, 4845, 8721, 14535

Step-4: Factors of 43615

List of positive integer factors of 43615 that divides 43605 without a remainder.

1, 5, 11, 13, 55, 61, 65, 143, 305, 671, 715, 793, 3355, 3965, 8723

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43605 and 43615. The biggest common factor number is the GCF number.
So the greatest common factor 43605 and 43615 is 5.

Also check out the Least Common Multiple of 43605 and 43615