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 897, 903 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 897 and 903 is 3.
GCF(897,903) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 897
3 | 897 |
13 | 299 |
23 | 23 |
1 |
Prime factors of 897 are 3,13,23. Prime factorization of 897 in exponential form is:
897 = 31×131×231
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
∴ So by taking common prime factors GCF of 897 and 903 is 3
Factors of 897
List of positive integer factors of 897 that divides 897 without a remainder.
1,3,13,23,39,69,299,897
Factors of 903
List of positive integer factors of 903 that divides 903 without a remainder.
1,3,7,21,43,129,301,903
Greatest Common Factor
We found the factors and prime factorization of 897 and 903. The biggest common factor number is the GCF number.
So the greatest common factor 897 and 903 is 3.
Also check out the Least Common Multiple of 897 and 903
(i) The GCF of 897 and 903 is associative
GCF of 897 and 903 = GCF of 903 and 897
1. What is the GCF of 897 and 903?
Answer: GCF of 897 and 903 is 3.
2. What are the Factors of 897?
Answer: Factors of 897 are 1, 3, 13, 23, 39, 69, 299, 897. There are 8 integers that are factors of 897. The greatest factor of 897 is 897.
3. 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.
4. How to Find the GCF of 897 and 903?
Answer:
Greatest Common Factor of 897 and 903 = 3
Step 1: Find the prime factorization of 897
897 = 3 x 13 x 23
Step 2: Find the prime factorization of 903
903 = 3 x 7 x 43
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 897 and 903 is 3