Is 903 is a composite number or not ?
- As we already know that, the number having factors 1 and the number itself is the prime number.
- And numbers having more than these two factors are the composite numbers.
- To check whether the number 903 is composite or not first we have to find its factors.
Contents
Factors of 903:
- If we have taken numbers from 1, 2, 3…for checking factors of 903, we found that 903 has factors 1, 3, 7, 21, 43, 129, 301 and 903. Hence, we must say that 903 is a composite number.
- Thus, 903 is the composite number.
- If we multiply 903 by 1, 2, 3 then we get the multiples of 903 which are 903, 1806 and so on.
903 is a Composite number or Prime number
About the number 903:
- 903 has more than two factors which are 1, 3, 7, 21, 43, 129, 301 and 903 and hence it is the composite number.
- 903 is the odd composite number and it is not the perfect square also.
- If we divide 903 by 1, 3, 7, 21, 43, 129, 301 and 903 then we get remainder as zero. Hence, 1, 3, 7, 21, 43, 129, 301 and 903 are the factors of 903
Note:
- 903 is not the perfect square.
- Factors of 903: 1, 3, 7, 21, 43, 129, 301 and 903
- Prime factors of 903: 3, 7, 43
Conclusion:
- 903 is the composite number which has factors 1, 3, 7, 21, 43, 129, 301 and 903.
- And hence, 903 is not the prime number.
Multiple Choice Questions:
1) 903 is a
a) odd number
b) Prime number
c) Composite number
d) Both a and c
Ans: d) both a and c
2) The prime factors of a composite number 903 are
a) 1
b) 3, 7, 43
c) 1, 21, 129, 301 and 903
d) 1, 3, 7, 21, 43, 129, 301 and 903
Ans: b) 3, 7, 43
3) 903 is the odd composite number because
a) It has factors 1, 3, 7, 21, 43, 129, 301 and 903
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c