Greatest Common Factor of 909 and 912

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 909, 912 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 909 and 912 is 3.

GCF(909,912) = 3

GCF of 909 and 912

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

GCF of:
and

Greatest Common Factor of 909 and 912

GCF of 909 and 912 is 3

Prime Factorization of 909


3 909
3 303
101 101
1

Prime factors of 909 are 3,101. Prime factorization of 909 in exponential form is:

909 = 32×1011

Prime Factorization of 912


2 912
2 456
2 228
2 114
3 57
19 19
1

Prime factors of 912 are 2,3,19. Prime factorization of 912 in exponential form is:

912 = 24×31×191

∴ So by taking common prime factors GCF of 909 and 912 is 3

Greatest Common Factor of 909 and 912 by matching factors method

Factors of 909

List of positive integer factors of 909 that divides 909 without a remainder.

1,3,9,101,303,909

Factors of 912

List of positive integer factors of 912 that divides 912 without a remainder.

1,2,3,4,6,8,12,16,19,24,38,48,57,76,114,152,228,304,456,912

Greatest Common Factor

We found the factors and prime factorization of 909 and 912. The biggest common factor number is the GCF number.
So the greatest common factor 909 and 912 is 3.

Also check out the Least Common Multiple of 909 and 912

Properties of GCF 909 and 912

(i) The GCF of 909 and 912 is associative

GCF of 909 and 912 = GCF of 912 and 909

Frequently Asked Questions on GCF of 909 and 912

1. What is the GCF of 909 and 912?

Answer: GCF of 909 and 912 is 3.

2. What are the Factors of 909?

Answer: Factors of 909 are 1, 3, 9, 101, 303, 909. There are 6 integers that are factors of 909. The greatest factor of 909 is 909.

3. What are the Factors of 912?

Answer: Factors of 912 are 1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912. There are 20 integers that are factors of 912. The greatest factor of 912 is 912.

4. How to Find the GCF of 909 and 912?

Answer:

Greatest Common Factor of 909 and 912 = 3

Step 1: Find the prime factorization of 909

909 = 3 x 3 x 101

Step 2: Find the prime factorization of 912

912 = 2 x 2 x 2 x 2 x 3 x 19

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 909 and 912 is 3