Is 4018 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 4018 is composite or not first we have to find its factors.
Contents
Factors of 4018:
- If we have taken numbers from 1, 2, 3…for checking factors of 4018 we found that 4018 has factors 1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009 and 4018. Hence, we must say that 4018 is a composite number.
- Thus, 4018 is the composite number.
- If we multiply 4018 by 1, 2, 3 then we get the multiples of 4018 which are 4018, 8036 and so on.
About the number 4018:
- 4018 has more than two factors which are 1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009 and 4018 and hence it is the composite number.
- 4018 is the even composite number and it is not the perfect square also.
- If we divide 4018 by, 1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009 and 4018 then we get remainder as zero. Hence, 1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009 and 4018 are the factors of 4018.
Note:
- 4018 is not the perfect square.
- Factors of 4018: 1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009 and 4018
- Prime factors of 4018: 2, 7, 41
Conclusion:
- 4018 is the composite number which has factors, 1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009 and 4018
- And hence, 4018 is not the prime number.
Multiple Choice Questions:
1) 4018 is a
a) Prime number
b) Even number
c) Composite number
d) Both b and c
Ans: d) both b and c
2) The composite factors of a composite number 4018 are
a) 4018
b) 2, 7, 41
c) 14, 49, 82, 98, 287, 574, 2009 and 4018
d) 1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009 and 4018
Ans: c) 14, 49, 82, 98, 287, 574, 2009 and 4018
3) 4018 is composite number because
a) It has factors 1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009 and 4018
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b