Is 1328 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 1328 is composite or not first we have to find its factors.
Contents
Factors of 1328:
- If we have taken numbers from 1, 2, 3…for checking factors of 1328, we found that 1328 has factors 1, 2, 4, 8, 16, 83, 166, 332, 664 and 1328. Hence, we must say that 1328 is a composite number.
- Thus, 1328 is the composite number.
- If we multiply 1328 by 1, 2, 3 then we get the multiples of 1328 which are 1328, 2656 and so on.
About the number 1328:
- 1328 has more than two factors which are 1, 2, 4, 8, 16, 83, 166, 332, 664 and 1328 and hence it is the composite number.
- 1328 is the even composite number and it is not the perfect square also.
- If we divide 1328 by 1, 2, 4, 8, 16, 83, 166, 332, 664 and 1328 then we get remainder as zero. Hence, 1, 2, 4, 8, 16, 83, 166, 332, 664 and 1328 are the factors of 1328.
Note:
- 1328 is not the perfect square.
- Factors of 1328: 1, 2, 4, 8, 16, 83, 166, 332, 664 and 1328
- Prime factors of 1328: 2, 83
Conclusion:
- 1328 is the composite number which has factors 1, 2, 4, 8, 16, 83, 166, 332, 664 and 1328
- And hence, 1328 is not the prime number.
Multiple Choice Questions:
1) 1328 is a
a) Even number
b) Not a perfect square number
c) Composite number
d) all
Ans: d) all
2) The composite factors of a composite number 1328 are
a) 4, 8, 16, 166, 332, 664 and 1328
b) 2, 83
c) 1, 4, 8, 16, 166, 332, 664 and 1328
d) 1, 2, 4, 8, 16, 83, 166, 332, 664 and 1328
Ans: a) 4, 8, 16, 166, 332, 664 and 1328
3) 1328 is composite number because
a) It has factors 1, 2, 4, 8, 16, 83, 166, 332, 664 and 1328
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b