What is the Greatest Common Factor of 18890 and 18910?

Greatest common factor (GCF) of 18890 and 18910 is 10.

GCF(18890,18910) = 10

We will now calculate the prime factors of 18890 and 18910, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18890 and 18910.

How to find the GCF of 18890 and 18910?

We will first find the prime factorization of 18890 and 18910. After we will calculate the factors of 18890 and 18910 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 18910

Prime factors of 18910 are 2, 5, 31, 61. Prime factorization of 18910 in exponential form is:

18910 = 2¹ × 5¹ × 31¹ × 61¹

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 18910

List of positive integer factors of 18910 that divides 18890 without a remainder.

1, 2, 5, 10, 31, 61, 62, 122, 155, 305, 310, 610, 1891, 3782, 9455

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18890 and 18910. The biggest common factor number is the GCF number.
So the greatest common factor 18890 and 18910 is 10.

Also check out the Least Common Multiple of 18890 and 18910