What is the Greatest Common Factor of 28111 and 28120?

Greatest common factor (GCF) of 28111 and 28120 is 1.

GCF(28111,28120) = 1

We will now calculate the prime factors of 28111 and 28120, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28111 and 28120.

How to find the GCF of 28111 and 28120?

We will first find the prime factorization of 28111 and 28120. After we will calculate the factors of 28111 and 28120 and find the biggest common factor number .

Step-1: Prime Factorization of 28111

Prime factors of 28111 are 28111. Prime factorization of 28111 in exponential form is:

28111 = 28111¹

Step-2: Prime Factorization of 28120

Prime factors of 28120 are 2, 5, 19, 37. Prime factorization of 28120 in exponential form is:

28120 = 2³ × 5¹ × 19¹ × 37¹

Step-3: Factors of 28111

List of positive integer factors of 28111 that divides 28111 without a remainder.

Step-4: Factors of 28120

List of positive integer factors of 28120 that divides 28111 without a remainder.

1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 1406, 1480, 2812, 3515, 5624, 7030, 14060

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28111 and 28120. The biggest common factor number is the GCF number.
So the greatest common factor 28111 and 28120 is 1.

Also check out the Least Common Multiple of 28111 and 28120