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, 905 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 903 and 905 is 1.
GCF(903,905) = 1
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 905
5 | 905 |
181 | 181 |
1 |
Prime factors of 905 are 5,181. Prime factorization of 905 in exponential form is:
905 = 51×1811
∴ So by taking common prime factors GCF of 903 and 905 is 1
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 905
List of positive integer factors of 905 that divides 905 without a remainder.
1,5,181,905
Greatest Common Factor
We found the factors and prime factorization of 903 and 905. The biggest common factor number is the GCF number.
So the greatest common factor 903 and 905 is 1.
Also check out the Least Common Multiple of 903 and 905
(i) The GCF of 903 and 905 is associative
GCF of 903 and 905 = GCF of 905 and 903
1. What is the GCF of 903 and 905?
Answer: GCF of 903 and 905 is 1.
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 905?
Answer: Factors of 905 are 1, 5, 181, 905. There are 4 integers that are factors of 905. The greatest factor of 905 is 905.
4. How to Find the GCF of 903 and 905?
Answer:
Greatest Common Factor of 903 and 905 = 1
Step 1: Find the prime factorization of 903
903 = 3 x 7 x 43
Step 2: Find the prime factorization of 905
905 = 5 x 181
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = = 1
Step 4: Therefore, the greatest common factor of 903 and 905 is 1