What is the Greatest Common Factor of 27890 and 27904?

Greatest common factor (GCF) of 27890 and 27904 is 2.

GCF(27890,27904) = 2

We will now calculate the prime factors of 27890 and 27904, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27890 and 27904.

How to find the GCF of 27890 and 27904?

We will first find the prime factorization of 27890 and 27904. After we will calculate the factors of 27890 and 27904 and find the biggest common factor number .

Step-1: Prime Factorization of 27890

Prime factors of 27890 are 2, 5, 2789. Prime factorization of 27890 in exponential form is:

27890 = 2¹ × 5¹ × 2789¹

Step-2: Prime Factorization of 27904

Prime factors of 27904 are 2, 109. Prime factorization of 27904 in exponential form is:

27904 = 2⁸ × 109¹

Step-3: Factors of 27890

List of positive integer factors of 27890 that divides 27890 without a remainder.

1, 2, 5, 10, 2789, 5578, 13945

Step-4: Factors of 27904

List of positive integer factors of 27904 that divides 27890 without a remainder.

1, 2, 4, 8, 16, 32, 64, 109, 128, 218, 256, 436, 872, 1744, 3488, 6976, 13952

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27890 and 27904. The biggest common factor number is the GCF number.
So the greatest common factor 27890 and 27904 is 2.

Also check out the Least Common Multiple of 27890 and 27904