Is 3818 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 3818 is composite or not first we have to find its factors.
Contents
Factors of 3818:
- If we have taken numbers from 1, 2, 3…for checking factors of 3818, we found that 3818 has factors 1, 2, 23, 46, 83, 166, 1909 and 3818. Hence, we must say that 3818 is a composite number.
- Thus, 3818 is the composite number.
- If we multiply 3818 by 1, 2, 3 then we get the multiples of 3818 which are 3818, 7636 and so on.
About the number 3818:
- 3818 has more than two factors which are 1, 2, 23, 46, 83, 166, 1909 and 3818 and hence it is the composite number.
- 3818 is the even composite number and it is not the perfect square also.
- If we divide 3818 by, 1, 2, 23, 46, 83, 166, 1909 and 3818 then we get remainder as zero. Hence, 1, 2, 23, 46, 83, 166, 1909 and 3818 are the factors of 3818.
Note:
- 3818 is not the perfect square.
- Factors of 3818: 1, 2, 23, 46, 83, 166, 1909 and 3818
- Prime factors of 3818: 2, 23, 83
Conclusion:
- 3818 is the composite number which has factors, 1, 2, 23, 46, 83, 166, 1909 and 3818
- And hence, 3818 is not the prime number.
Multiple Choice Questions:
1) 3818 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 3818 are
a) 3818
b) 2, 23, 83
c) 46, 166, 1909 and 3818
d) 1, 2, 23, 46, 83, 166, 1909 and 3818
Ans: c) 46, 166, 1909 and 3818
3) 3818 is composite number because
a) It has factors 1, 2, 23, 46, 83, 166, 1909 and 3818
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b