What is the Greatest Common Factor of 80636 and 80643?

Greatest common factor (GCF) of 80636 and 80643 is 1.

GCF(80636,80643) = 1

We will now calculate the prime factors of 80636 and 80643, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 80636 and 80643.

How to find the GCF of 80636 and 80643?

We will first find the prime factorization of 80636 and 80643. After we will calculate the factors of 80636 and 80643 and find the biggest common factor number .

Step-1: Prime Factorization of 80636

Prime factors of 80636 are 2, 19, 1061. Prime factorization of 80636 in exponential form is:

80636 = 2² × 19¹ × 1061¹

Step-2: Prime Factorization of 80643

Prime factors of 80643 are 3, 26881. Prime factorization of 80643 in exponential form is:

80643 = 3¹ × 26881¹

Step-3: Factors of 80636

List of positive integer factors of 80636 that divides 80636 without a remainder.

1, 2, 4, 19, 38, 76, 1061, 2122, 4244, 20159, 40318

Step-4: Factors of 80643

List of positive integer factors of 80643 that divides 80636 without a remainder.

1, 3, 26881

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 80636 and 80643. The biggest common factor number is the GCF number.
So the greatest common factor 80636 and 80643 is 1.

Also check out the Least Common Multiple of 80636 and 80643