Greatest Common Factor of 1887 and 1890

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 1887, 1890 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1887 and 1890 is 3.

GCF(1887,1890) = 3

GCF of 1887 and 1890

Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;

GCF of:
and

Greatest Common Factor of 1887 and 1890

GCF of 1887 and 1890 is 3

Prime Factorization of 1887


3 1887
17 629
37 37
1

Prime factors of 1887 are 3,17,37. Prime factorization of 1887 in exponential form is:

1887 = 31×171×371

Prime Factorization of 1890


2 1890
3 945
3 315
3 105
5 35
7 7
1

Prime factors of 1890 are 2,3,5,7. Prime factorization of 1890 in exponential form is:

1890 = 21×33×51×71

∴ So by taking common prime factors GCF of 1887 and 1890 is 3

Greatest Common Factor of 1887 and 1890 by matching factors method

Factors of 1887

List of positive integer factors of 1887 that divides 1887 without a remainder.

1,3,17,37,51,111,629,1887

Factors of 1890

List of positive integer factors of 1890 that divides 1890 without a remainder.

1,2,3,5,6,7,9,10,14,15,18,21,27,30,35,42,45,54,63,70,90,105,126,135,189,210,270,315,378,630,945,1890

Greatest Common Factor

We found the factors and prime factorization of 1887 and 1890. The biggest common factor number is the GCF number.
So the greatest common factor 1887 and 1890 is 3.

Also check out the Least Common Multiple of 1887 and 1890

Properties of GCF 1887 and 1890

(i) The GCF of 1887 and 1890 is associative

GCF of 1887 and 1890 = GCF of 1890 and 1887

Related Greatest Common Factor of 1887

Related Greatest Common Factor of 1890

Frequently Asked Questions on GCF of 1887 and 1890

1. What is the GCF of 1887 and 1890?

Answer: GCF of 1887 and 1890 is 3.

2. What are the Factors of 1887?

Answer: Factors of 1887 are 1, 3, 17, 37, 51, 111, 629, 1887. There are 8 integers that are factors of 1887. The greatest factor of 1887 is 1887.

3. What are the Factors of 1890?

Answer: Factors of 1890 are 1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890. There are 32 integers that are factors of 1890. The greatest factor of 1890 is 1890.

4. How to Find the GCF of 1887 and 1890?

Answer:

Greatest Common Factor of 1887 and 1890 = 3

Step 1: Find the prime factorization of 1887

1887 = 3 x 17 x 37

Step 2: Find the prime factorization of 1890

1890 = 2 x 3 x 3 x 3 x 5 x 7

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = 3

Step 4: Therefore, the greatest common factor of 1887 and 1890 is 3