Is 3824 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 3824 is composite or not first we have to find its factors.
Contents
Factors of 3824:
- If we have taken numbers from 1, 2, 3…for checking factors of 3824, we found that 3824 has factors 1, 2, 4, 8, 16, 239, 478, 956, 1912 and 3824. Hence, we must say that 3824 is a composite number.
- Thus, 3824 is the composite number.
- If we multiply 3824 by 1, 2, 3 then we get the multiples of 3824 which are 3824, 7648 and so on.
About the number 3824:
- 3824 has more than two factors which are 1, 2, 4, 8, 16, 239, 478, 956, 1912 and 3824 and hence it is the composite number.
- 3824 is the even composite number and it is not the perfect square also.
- If we divide 3824 by, 1, 2, 4, 8, 16, 239, 478, 956, 1912 and 3824 then we get remainder as zero. Hence, 1, 2, 4, 8, 16, 239, 478, 956, 1912 and 3824 are the factors of 3824.
Note:
- 3824 is not the perfect square.
- Factors of 3824: 1, 2, 4, 8, 16, 239, 478, 956, 1912 and 3824
- Prime factors of 3824: 2, 239
Conclusion:
- 3824 is the composite number which has factors, 1, 2, 4, 8, 16, 239, 478, 956, 1912 and 3824
- And hence, 3824 is not the prime number.
Multiple Choice Questions:
1) 3824 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 3824 are
a) 3824
b) 2, 239
c) 4, 8, 16, 478, 956, 1912 and 3824
d) 1, 2, 4, 8, 16, 239, 478, 956, 1912 and 3824
Ans: c) 4, 8, 16, 478, 956, 1912 and 3824
3) 3824 is composite number because
a) It has factors 1, 2, 4, 8, 16, 239, 478, 956, 1912 and 3824
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b