What is the Greatest Common Factor of 18722 and 18728?

Greatest common factor (GCF) of 18722 and 18728 is 2.

GCF(18722,18728) = 2

We will now calculate the prime factors of 18722 and 18728, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18722 and 18728.

How to find the GCF of 18722 and 18728?

We will first find the prime factorization of 18722 and 18728. After we will calculate the factors of 18722 and 18728 and find the biggest common factor number .

Step-1: Prime Factorization of 18722

Prime factors of 18722 are 2, 11, 23, 37. Prime factorization of 18722 in exponential form is:

18722 = 2¹ × 11¹ × 23¹ × 37¹

Step-2: Prime Factorization of 18728

Prime factors of 18728 are 2, 2341. Prime factorization of 18728 in exponential form is:

18728 = 2³ × 2341¹

Step-3: Factors of 18722

List of positive integer factors of 18722 that divides 18722 without a remainder.

1, 2, 11, 22, 23, 37, 46, 74, 253, 407, 506, 814, 851, 1702, 9361

Step-4: Factors of 18728

List of positive integer factors of 18728 that divides 18722 without a remainder.

1, 2, 4, 8, 2341, 4682, 9364

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18722 and 18728. The biggest common factor number is the GCF number.
So the greatest common factor 18722 and 18728 is 2.

Also check out the Least Common Multiple of 18722 and 18728