Is 4105 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 4105 is composite or not first we have to find its factors.
Contents
Factors of 4105:
- If we have taken numbers from 1, 2, 3…for checking factors of 4105, we found that 4105 has factors 1, 5, 821 and 4105. Hence, we must say that 4105 is a composite number.
- Thus, 4105 is the composite number.
- If we multiply 4105 by 1, 2, 3 then we get the multiples of 4105 which are 4105, 8210 and so on.
4105 is a Composite number or Prime number
About the number 4105:
- 4105 has more than two factors which are 1, 5, 821 and 4105 and hence it is the composite number.
- 4105 is the odd composite number and it is not the perfect square also.
- If we divide 4105 by 1, 5, 821 and 4105 then we get remainder as zero. Hence 1, 5, 821 and 4105 are the factors of 4105
Note:
- 4105 is not the perfect square.
- Factors of 4105:1, 5, 821 and 4105
- Prime factors of 4105: 5, 821
Conclusion:
- 4105 is the composite number which has factors 1, 5, 821 and 4105.
- And hence, 4105 is not the prime number.
Multiple Choice Questions:
1) 4105 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 4105 are
a) 1
b) 5, 821
c) 1, 5, 821 and 4105
d) 1 and 4105
Ans: d)1 and 4105
3) 4105 is the odd composite number because
a) It has factors 1, 5, 821 and 4105
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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