What is the Greatest Common Factor of 28090 and 28103?

Greatest common factor (GCF) of 28090 and 28103 is 1.

GCF(28090,28103) = 1

We will now calculate the prime factors of 28090 and 28103, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28090 and 28103.

How to find the GCF of 28090 and 28103?

We will first find the prime factorization of 28090 and 28103. After we will calculate the factors of 28090 and 28103 and find the biggest common factor number .

Step-1: Prime Factorization of 28090

Prime factors of 28090 are 2, 5, 53. Prime factorization of 28090 in exponential form is:

28090 = 2¹ × 5¹ × 53²

Step-2: Prime Factorization of 28103

Prime factors of 28103 are 157, 179. Prime factorization of 28103 in exponential form is:

28103 = 157¹ × 179¹

Step-3: Factors of 28090

List of positive integer factors of 28090 that divides 28090 without a remainder.

1, 2, 5, 10, 53, 106, 265, 530, 2809, 5618, 14045

Step-4: Factors of 28103

List of positive integer factors of 28103 that divides 28090 without a remainder.

1, 157, 179

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28090 and 28103. The biggest common factor number is the GCF number.
So the greatest common factor 28090 and 28103 is 1.

Also check out the Least Common Multiple of 28090 and 28103