Is 4045 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 4045 is composite or not first we have to find its factors.
Contents
Factors of 4045:
- If we have taken numbers from 1, 2, 3…for checking factors of 4045, we found that 4045 has factors 1, 5, 809 and 4045. Hence, we must say that 4045 is a composite number.
- Thus, 4045 is the composite number.
- If we multiply 4045 by 1, 2, 3 then we get the multiples of 4045 which are 4045, 8090 and so on.
4045 is a Composite number or Prime number
About the number 4045:
- 4045 has more than two factors which are 1, 5, 809 and 4045 and hence it is the composite number.
- 4045 is the odd composite number and it is not the perfect square also.
- If we divide 4045 by 1, 5, 809 and 4045 then we get remainder as zero. Hence 1, 5, 809 and 4045 are the factors of 4045
Note:
- 4045 is not the perfect square.
- Factors of 4045: 1, 5, 809 and 4045
- Prime factors of 4045: 5, 809
Conclusion:
- 4045 is the composite number which has factors 1, 5, 809 and 4045.
- And hence, 4045 is not the prime number.
Multiple Choice Questions:
1) 4045 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 4045 are
a) 1
b) 5, 809
c) 1, 5, 809 and 4045
d) 1 and 4045
Ans: d) 1 and 4045
3) 4045 is the odd composite number because
a) It has factors 1, 5, 809 and 4045
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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