What is the Greatest Common Factor of 18428 and 18436?

Greatest common factor (GCF) of 18428 and 18436 is 4.

GCF(18428,18436) = 4

We will now calculate the prime factors of 18428 and 18436, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18428 and 18436.

How to find the GCF of 18428 and 18436?

We will first find the prime factorization of 18428 and 18436. After we will calculate the factors of 18428 and 18436 and find the biggest common factor number .

Step-1: Prime Factorization of 18428

Prime factors of 18428 are 2, 17, 271. Prime factorization of 18428 in exponential form is:

18428 = 2² × 17¹ × 271¹

Step-2: Prime Factorization of 18436

Prime factors of 18436 are 2, 11, 419. Prime factorization of 18436 in exponential form is:

18436 = 2² × 11¹ × 419¹

Step-3: Factors of 18428

List of positive integer factors of 18428 that divides 18428 without a remainder.

1, 2, 4, 17, 34, 68, 271, 542, 1084, 4607, 9214

Step-4: Factors of 18436

List of positive integer factors of 18436 that divides 18428 without a remainder.

1, 2, 4, 11, 22, 44, 419, 838, 1676, 4609, 9218

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18428 and 18436. The biggest common factor number is the GCF number.
So the greatest common factor 18428 and 18436 is 4.

Also check out the Least Common Multiple of 18428 and 18436