Is 3843 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 3843 is composite or not first we have to find its factors.
Contents
Factors of 3843:
- If we have taken numbers from 1, 2, 3…for checking factors of 3843, we found that 3843 has factors 1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281 and 3843. Hence, we must say that 3843 is a composite number.
- Thus, 3843 is the composite number.
- If we multiply 3843 by 1, 2, 3 then we get the multiples of 3843 which are 3843, 7686 and so on.
3843 is a Composite number or Prime number
About the number 3843:
- 3843 has more than two factors which are 1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281 and 3843 and hence it is the composite number.
- 3843 is the odd composite number and it is not the perfect square also.
- If we divide 3843 by 1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281 and 3843 then we get remainder as zero. Hence 1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281 and 3843 are the factors of 3843
Note:
- 3843 is not the perfect square.
- Factors of 3843:1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281 and 3843
- Prime factors of 3843: 3, 7, 61
Conclusion:
- 3843 is the composite number which has factors 1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281 and 3843.
- And hence, 3843 is not the prime number.
Multiple Choice Questions:
1) 3843 is a
a) odd number
b) Prime number
c) even number
d) Both a and c
Ans: a) odd number
2) The non-prime factors of a composite number 3843 are
a) 1
b) 3, 7, 61
c) 1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281 and 3843
d) 1, 9, 21, 63, 183, 427, 549, 1281 and 3843
Ans: d) 1, 9, 21, 63, 183, 427, 549, 1281 and 3843
3) 3843 is the odd composite number because
a) It has factors 1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281 and 3843
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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