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
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
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
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
(i) The GCF of 909 and 912 is associative
GCF of 909 and 912 = GCF of 912 and 909
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