Is 824 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 824 is composite or not first we have to find its factors.
Contents
Factors of 824:
- If we have taken numbers from 1, 2, 3…for checking factors of 824, we found that 824 has factors 1, 2, 4, 8, 103, 206, 412 and 824. Hence, we must say that 824 is a composite number.
- Thus, 824 is the composite umber.
- If we multiply 824 by 1, 2, 3 then we get the multiples of 824 which are 824, 1648 and so on.
About the number 824:
- 824 has more than two factors which are 1, 2, 4, 8, 103, 206, 412 and 824 and hence it is the composite number.
- 824 is the even composite number and it is not the perfect square also.
- If we divide 824 by 1, 2, 4, 8, 103, 206, 412 and 824 then we get remainder as zero. Hence, 1, 2, 4, 8, 103, 206, 412 and 824 are the factors of 824.
Note:
- 824 is not the perfect square.
- Factors of 824: 1, 2, 4, 8, 103, 206, 412 and 824
- Prime factors of 824: 2, 103
Conclusion:
- 824 is the composite number which has factors 1, 2, 4, 8, 103, 206, 412 and 824
- And hence, 824 is not the prime number.
Multiple Choice Questions:
1) 824 is a
a) Odd number
b) Prime number
c) Composite number
d) Both b and c
Ans: c) composite number
2) The prime factors of a composite number 824 are
a) 1
b) 2, 103
c) 1, 4, 8, 206, 412 and 824
d) 1, 2, 4, 8, 103, 206, 412 and 824
Ans: b) 2, 103
3) 824 is the composite number because
a) It has factors 1, 2, 4, 8, 103, 206, 412 and 824
b) It has only prime factors
c) Divisible by 2
d) Both a and b
Ans: a) It has factors 1, 2, 4, 8, 103, 206, 412 and 824