Is 1148 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 1148 is composite or not first we have to find its factors.
Contents
Factors of 1148:
- If we have taken numbers from 1, 2, 3…for checking factors of 1148, we found that 1148 has factors 1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574 and 1148. Hence, we must say that 1148 is a composite number.
- Thus, 1148 is the composite number.
- If we multiply 1148 by 1, 2, 3 then we get the multiples of 1148 which are 1148, 2296 and so on.
About the number 1148:
- 1148 has more than two factors which are 1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574 and 1148 and hence it is the composite number.
- 1148 is the even composite number and it is not the perfect square also.
- If we divide 1148 by 1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574 and 1148 then we get remainder as zero. Hence, 1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574 and 1148 are the factors of 1148.
Note:
- 1148 is not the perfect square.
- Factors of 1148: 1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574 and 1148
- Prime factors of 1148: 2, 7, 41
Conclusion:
- 1148 is the composite number which has factors 1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574 and 1148
- And hence, 1148 is not the prime number.
Multiple Choice Questions:
1) 1148 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 1148 are
a) 4, 14, 28, 82, 164, 287, 574 and 1148
b) 2, 7, 41
c) 1, 4, 14, 28, 82, 164, 287, 574 and 1148
d) 1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574 and 1148
Ans: a) 4, 14, 28, 82, 164, 287, 574 and 1148
3) 1148 is composite number because
a) It has factors 1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574 and 1148
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b