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 903, 909 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 903 and 909 is 3.
GCF(903,909) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 903
3 | 903 |
7 | 301 |
43 | 43 |
1 |
Prime factors of 903 are 3,7,43. Prime factorization of 903 in exponential form is:
903 = 31×71×431
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
∴ So by taking common prime factors GCF of 903 and 909 is 3
Factors of 903
List of positive integer factors of 903 that divides 903 without a remainder.
1,3,7,21,43,129,301,903
Factors of 909
List of positive integer factors of 909 that divides 909 without a remainder.
1,3,9,101,303,909
Greatest Common Factor
We found the factors and prime factorization of 903 and 909. The biggest common factor number is the GCF number.
So the greatest common factor 903 and 909 is 3.
Also check out the Least Common Multiple of 903 and 909
(i) The GCF of 903 and 909 is associative
GCF of 903 and 909 = GCF of 909 and 903
1. What is the GCF of 903 and 909?
Answer: GCF of 903 and 909 is 3.
2. What are the Factors of 903?
Answer: Factors of 903 are 1, 3, 7, 21, 43, 129, 301, 903. There are 8 integers that are factors of 903. The greatest factor of 903 is 903.
3. 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.
4. How to Find the GCF of 903 and 909?
Answer:
Greatest Common Factor of 903 and 909 = 3
Step 1: Find the prime factorization of 903
903 = 3 x 7 x 43
Step 2: Find the prime factorization of 909
909 = 3 x 3 x 101
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 903 and 909 is 3