What is the Greatest Common Factor of 30428 and 30436?

Greatest common factor (GCF) of 30428 and 30436 is 4.

GCF(30428,30436) = 4

We will now calculate the prime factors of 30428 and 30436, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30428 and 30436.

How to find the GCF of 30428 and 30436?

We will first find the prime factorization of 30428 and 30436. After we will calculate the factors of 30428 and 30436 and find the biggest common factor number .

Step-1: Prime Factorization of 30428

Prime factors of 30428 are 2, 7607. Prime factorization of 30428 in exponential form is:

30428 = 2² × 7607¹

Step-2: Prime Factorization of 30436

Prime factors of 30436 are 2, 7, 1087. Prime factorization of 30436 in exponential form is:

30436 = 2² × 7¹ × 1087¹

Step-3: Factors of 30428

List of positive integer factors of 30428 that divides 30428 without a remainder.

1, 2, 4, 7607, 15214

Step-4: Factors of 30436

List of positive integer factors of 30436 that divides 30428 without a remainder.

1, 2, 4, 7, 14, 28, 1087, 2174, 4348, 7609, 15218

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30428 and 30436. The biggest common factor number is the GCF number.
So the greatest common factor 30428 and 30436 is 4.

Also check out the Least Common Multiple of 30428 and 30436