What is the Greatest Common Factor of 43703 and 43720?

Greatest common factor (GCF) of 43703 and 43720 is 1.

GCF(43703,43720) = 1

We will now calculate the prime factors of 43703 and 43720, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43703 and 43720.

How to find the GCF of 43703 and 43720?

We will first find the prime factorization of 43703 and 43720. After we will calculate the factors of 43703 and 43720 and find the biggest common factor number .

Step-1: Prime Factorization of 43703

Prime factors of 43703 are 11, 29, 137. Prime factorization of 43703 in exponential form is:

43703 = 11¹ × 29¹ × 137¹

Step-2: Prime Factorization of 43720

Prime factors of 43720 are 2, 5, 1093. Prime factorization of 43720 in exponential form is:

43720 = 2³ × 5¹ × 1093¹

Step-3: Factors of 43703

List of positive integer factors of 43703 that divides 43703 without a remainder.

1, 11, 29, 137, 319, 1507, 3973

Step-4: Factors of 43720

List of positive integer factors of 43720 that divides 43703 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 1093, 2186, 4372, 5465, 8744, 10930, 21860

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43703 and 43720. The biggest common factor number is the GCF number.
So the greatest common factor 43703 and 43720 is 1.

Also check out the Least Common Multiple of 43703 and 43720