Is 1843 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 1843 is composite or not first we have to find its factors.
Contents
Factors of 1843:
- If we have taken numbers from 1, 2, 3…for checking factors of 1843, we found that 1843 has factors 1, 19, 97 and 1843. Hence, we must say that 1843 is a composite number.
- Thus, 1843 is the composite number.
- If we multiply 1843 by 1, 2, 3 then we get the multiples of 1843 which are 1843, 3686 and so on.
1843 is a Composite number or Prime number
About the number 1843:
- 1843 has more than two factors which are 1, 19, 97 and 1843 and hence it is the composite number.
- 1843 is the odd composite number and it is not the perfect square also.
- If we divide 1843 by 1, 19, 97 and 1843 then we get remainder as zero. Hence, 1, 19, 97 and 1843 are the factors of 1843
Note:
- 1843 is not the perfect square.
- Factors of 1843: 1, 19, 97 and 1843
- Prime factors of 1843: 19, 97
Conclusion:
- 1843 is the composite number which has factors 1, 19, 97 and 1843.
- And hence, 1843 is not the prime number.
Multiple Choice Questions:
1) 1843 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 1843 are
a) 1
b) 19, 97
c) 1 and 1843
d) 1, 19, 97 and 1843
Ans: b) 1 and 1843
3) 1843 is the odd composite number because
a) It has factors 1, 19, 97 and 1843
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all