Greatest Common Factor of 1905 and 1908

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 1905, 1908 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1905 and 1908 is 3.

GCF(1905,1908) = 3

GCF of 1905 and 1908

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

GCF of:
and

Greatest Common Factor of 1905 and 1908

GCF of 1905 and 1908 is 3

Prime Factorization of 1905


3 1905
5 635
127 127
1

Prime factors of 1905 are 3,5,127. Prime factorization of 1905 in exponential form is:

1905 = 31×51×1271

Prime Factorization of 1908


2 1908
2 954
3 477
3 159
53 53
1

Prime factors of 1908 are 2,3,53. Prime factorization of 1908 in exponential form is:

1908 = 22×32×531

∴ So by taking common prime factors GCF of 1905 and 1908 is 3

Greatest Common Factor of 1905 and 1908 by matching factors method

Factors of 1905

List of positive integer factors of 1905 that divides 1905 without a remainder.

1,3,5,15,127,381,635,1905

Factors of 1908

List of positive integer factors of 1908 that divides 1908 without a remainder.

1,2,3,4,6,9,12,18,36,53,106,159,212,318,477,636,954,1908

Greatest Common Factor

We found the factors and prime factorization of 1905 and 1908. The biggest common factor number is the GCF number.
So the greatest common factor 1905 and 1908 is 3.

Also check out the Least Common Multiple of 1905 and 1908

Properties of GCF 1905 and 1908

(i) The GCF of 1905 and 1908 is associative

GCF of 1905 and 1908 = GCF of 1908 and 1905

Related Greatest Common Factor of 1905

Related Greatest Common Factor of 1908

Frequently Asked Questions on GCF of 1905 and 1908

1. What is the GCF of 1905 and 1908?

Answer: GCF of 1905 and 1908 is 3.

2. What are the Factors of 1905?

Answer: Factors of 1905 are 1, 3, 5, 15, 127, 381, 635, 1905. There are 8 integers that are factors of 1905. The greatest factor of 1905 is 1905.

3. What are the Factors of 1908?

Answer: Factors of 1908 are 1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908. There are 18 integers that are factors of 1908. The greatest factor of 1908 is 1908.

4. How to Find the GCF of 1905 and 1908?

Answer:

Greatest Common Factor of 1905 and 1908 = 3

Step 1: Find the prime factorization of 1905

1905 = 3 x 5 x 127

Step 2: Find the prime factorization of 1908

1908 = 2 x 2 x 3 x 3 x 53

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 1905 and 1908 is 3