What is the Greatest Common Factor of 18890 and 18904?

Greatest common factor (GCF) of 18890 and 18904 is 2.

GCF(18890,18904) = 2

We will now calculate the prime factors of 18890 and 18904, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18890 and 18904.

How to find the GCF of 18890 and 18904?

We will first find the prime factorization of 18890 and 18904. After we will calculate the factors of 18890 and 18904 and find the biggest common factor number .

Step-1: Prime Factorization of 18890

Prime factors of 18890 are 2, 5, 1889. Prime factorization of 18890 in exponential form is:

18890 = 2¹ × 5¹ × 1889¹

Step-2: Prime Factorization of 18904

Prime factors of 18904 are 2, 17, 139. Prime factorization of 18904 in exponential form is:

18904 = 2³ × 17¹ × 139¹

Step-3: Factors of 18890

List of positive integer factors of 18890 that divides 18890 without a remainder.

1, 2, 5, 10, 1889, 3778, 9445

Step-4: Factors of 18904

List of positive integer factors of 18904 that divides 18890 without a remainder.

1, 2, 4, 8, 17, 34, 68, 136, 139, 278, 556, 1112, 2363, 4726, 9452

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18890 and 18904. The biggest common factor number is the GCF number.
So the greatest common factor 18890 and 18904 is 2.

Also check out the Least Common Multiple of 18890 and 18904