Is 1803 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 1803 is composite or not first we have to find its factors.
Contents
Factors of 1803:
- If we have taken numbers from 1, 2, 3…for checking factors of 1803, we found that 1803 has factors 1, 3, 601 and 1803. Hence, we must say that 1803 is a composite number.
- Thus, 1803 is the composite number.
- If we multiply 1803 by 1, 2, 3 then we get the multiples of 1803 which are 1803, 3606 and so on.
1803 is a Composite number or Prime number
About the number 1803:
- 1803 has more than two factors which are 1, 3, 601 and 1803 and hence it is the composite number.
- 1803 is the odd composite number and it is not the perfect square also.
- If we divide 1803 by 1, 3, 601 and 1803 then we get remainder as zero. Hence, 1, 3, 601 and 1803 are the factors of 1803
Note:
- 1803 is not the perfect square.
- Factors of 1803: 1, 3, 601 and 1803
- Prime factors of 1803: 3, 601
Conclusion:
- 1803 is the composite number which has factors 1, 3, 601 and 1803.
- And hence, 1803 is not the prime number.
Multiple Choice Questions:
1) 1803 is a
a) Even number
b) Prime number
c) Composite number
d) Both a and c
Ans: c) composite number
2) The non-prime factors of a composite number 1803 are
a) 1
b) 3, 601
c) 1 and 1803
d) 1, 3, 601 and 1803
Ans: b) 1 and 1803
3) 1803 is the odd composite number because
a) It has factors 1, 3, 601 and 1803
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all