What is the Greatest Common Factor of 80631 and 80643?

Greatest common factor (GCF) of 80631 and 80643 is 3.

GCF(80631,80643) = 3

We will now calculate the prime factors of 80631 and 80643, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 80631 and 80643.

How to find the GCF of 80631 and 80643?

We will first find the prime factorization of 80631 and 80643. After we will calculate the factors of 80631 and 80643 and find the biggest common factor number .

Step-1: Prime Factorization of 80631

Prime factors of 80631 are 3, 17, 31. Prime factorization of 80631 in exponential form is:

80631 = 3² × 17² × 31¹

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 80631

List of positive integer factors of 80631 that divides 80631 without a remainder.

1, 3, 9, 17, 31, 51, 93, 153, 279, 289, 527, 867, 1581, 2601, 4743, 8959, 26877

Step-4: Factors of 80643

List of positive integer factors of 80643 that divides 80631 without a remainder.

1, 3, 26881

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 80631 and 80643. The biggest common factor number is the GCF number.
So the greatest common factor 80631 and 80643 is 3.

Also check out the Least Common Multiple of 80631 and 80643