What is the Greatest Common Factor of 28873 and 28890?

Greatest common factor (GCF) of 28873 and 28890 is 1.

GCF(28873,28890) = 1

We will now calculate the prime factors of 28873 and 28890, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28873 and 28890.

How to find the GCF of 28873 and 28890?

We will first find the prime factorization of 28873 and 28890. After we will calculate the factors of 28873 and 28890 and find the biggest common factor number .

Step-1: Prime Factorization of 28873

Prime factors of 28873 are 13, 2221. Prime factorization of 28873 in exponential form is:

28873 = 13¹ × 2221¹

Step-2: Prime Factorization of 28890

Prime factors of 28890 are 2, 3, 5, 107. Prime factorization of 28890 in exponential form is:

28890 = 2¹ × 3³ × 5¹ × 107¹

Step-3: Factors of 28873

List of positive integer factors of 28873 that divides 28873 without a remainder.

1, 13, 2221

Step-4: Factors of 28890

List of positive integer factors of 28890 that divides 28873 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 107, 135, 214, 270, 321, 535, 642, 963, 1070, 1605, 1926, 2889, 3210, 4815, 5778, 9630, 14445

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28873 and 28890. The biggest common factor number is the GCF number.
So the greatest common factor 28873 and 28890 is 1.

Also check out the Least Common Multiple of 28873 and 28890