What is the Greatest Common Factor of 30128 and 30138?

Greatest common factor (GCF) of 30128 and 30138 is 2.

GCF(30128,30138) = 2

We will now calculate the prime factors of 30128 and 30138, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30128 and 30138.

How to find the GCF of 30128 and 30138?

We will first find the prime factorization of 30128 and 30138. After we will calculate the factors of 30128 and 30138 and find the biggest common factor number .

Step-1: Prime Factorization of 30128

Prime factors of 30128 are 2, 7, 269. Prime factorization of 30128 in exponential form is:

30128 = 2⁴ × 7¹ × 269¹

Step-2: Prime Factorization of 30138

Prime factors of 30138 are 2, 3, 5023. Prime factorization of 30138 in exponential form is:

30138 = 2¹ × 3¹ × 5023¹

Step-3: Factors of 30128

List of positive integer factors of 30128 that divides 30128 without a remainder.

1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 269, 538, 1076, 1883, 2152, 3766, 4304, 7532, 15064

Step-4: Factors of 30138

List of positive integer factors of 30138 that divides 30128 without a remainder.

1, 2, 3, 6, 5023, 10046, 15069

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30128 and 30138. The biggest common factor number is the GCF number.
So the greatest common factor 30128 and 30138 is 2.

Also check out the Least Common Multiple of 30128 and 30138