Is 1841 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 1841 is composite or not first we have to find its factors.
Contents
Factors of 1841:
- If we have taken numbers from 1, 2, 3…for checking factors of 1841, we found that 1841 has factors 1, 7, 263 and 1841. Hence, we must say that 1841 is a composite number.
- Thus, 1841 is the composite number.
- If we multiply 1841 by 1, 2, 3 then we get the multiples of 1841 which are 1841, 3682 and so on.
1841 is a Composite number or Prime number
About the number 1841:
- 1841 has more than two factors which are 1, 7, 263 and 1841 and hence it is the composite number.
- 1841 is the odd composite number and it is not the perfect square also.
- If we divide 1841 by 1, 7, 263 and 1841 then we get remainder as zero. Hence, 1, 7, 263 and 1841 are the factors of 1841
Note:
- 1841 is not the perfect square.
- Factors of 1841: 1, 7, 263 and 1841
- Prime factors of 1841: 7, 263
Conclusion:
- 1841 is the composite number which has factors 1, 7, 263 and 1841.
- And hence, 1841 is not the prime number.
Multiple Choice Questions:
1) 1841 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 1841 are
a) 1
b) 7, 263
c) 1 and 1841
d) 1, 7, 263 and 1841
Ans: b) 1 and 1841
3) 1841 is the odd composite number because
a) It has factors 1, 7, 263 and 1841
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all