What is the Greatest Common Factor of 43639 and 43645?

Greatest common factor (GCF) of 43639 and 43645 is 1.

GCF(43639,43645) = 1

We will now calculate the prime factors of 43639 and 43645, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43639 and 43645.

How to find the GCF of 43639 and 43645?

We will first find the prime factorization of 43639 and 43645. After we will calculate the factors of 43639 and 43645 and find the biggest common factor number .

Step-1: Prime Factorization of 43639

Prime factors of 43639 are 17, 151. Prime factorization of 43639 in exponential form is:

43639 = 17² × 151¹

Step-2: Prime Factorization of 43645

Prime factors of 43645 are 5, 7, 29, 43. Prime factorization of 43645 in exponential form is:

43645 = 5¹ × 7¹ × 29¹ × 43¹

Step-3: Factors of 43639

List of positive integer factors of 43639 that divides 43639 without a remainder.

1, 17, 151, 289, 2567

Step-4: Factors of 43645

List of positive integer factors of 43645 that divides 43639 without a remainder.

1, 5, 7, 29, 35, 43, 145, 203, 215, 301, 1015, 1247, 1505, 6235, 8729

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43639 and 43645. The biggest common factor number is the GCF number.
So the greatest common factor 43639 and 43645 is 1.

Also check out the Least Common Multiple of 43639 and 43645