Is 1839 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 1839 is composite or not first we have to find its factors.
Contents
Factors of 1839:
- If we have taken numbers from 1, 2, 3…for checking factors of 1839, we found that 1839 has factors 1, 3, 613 and 1839. Hence, we must say that 1839 is a composite number.
- Thus, 1839 is the composite number.
- If we multiply 1839 by 1, 2, 3 then we get the multiples of 1839 which are 1839, 3678 and so on.
1839 is a Composite number or Prime number
About the number 1839:
- 1839 has more than two factors which are 1, 3, 613 and 1839 and hence it is the composite number.
- 1839 is the odd composite number and it is not the perfect square also.
- If we divide 1839 by 1, 3, 613 and 1839 then we get remainder as zero. Hence, 1, 3, 613 and 1839 are the factors of 1839
Note:
- 1839 is not the perfect square.
- Factors of 1839: 1, 3, 613 and 1839
- Prime factors of 1839: 3, 613
Conclusion:
- 1839 is the composite number which has factors 1, 3, 613 and 1839.
- And hence, 1839 is not the prime number.
Multiple Choice Questions:
1) 1839 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 1839 are
a) 1
b) 3, 613
c) 1 and 1839
d) 1, 3, 613 and 1839
Ans: b) 1 and 1839
3) 1839 is the odd composite number because
a) It has factors 1, 3, 613 and 1839
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all