Is 1160 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 1160 is composite or not first we have to find its factors.
Contents
Factors of 1160:
- If we have taken numbers from 1, 2, 3…for checking factors of 1160, we found that 1160 has factors 1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580 and 1160. Hence, we must say that 1160 is a composite number.
- Thus, 1160 is the composite number.
- If we multiply 1160 by 1, 2, 3 then we get the multiples of 1160 which are 1160, 2320 and so on.
About the number 1160:
- 1160 has more than two factors which are 1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580 and 1160 and hence it is the composite number.
- 1160 is the even composite number and it is not the perfect square also.
- If we divide 1160 by 1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580 and 1160 then we get remainder as zero. Hence, 1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580 and 1160 are the factors of 1160.
Note:
- 1160 is not the perfect square.
- Factors of 1160: 1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580 and 1160
- Prime factors of 1160: 2, 5, 29
Conclusion:
- 1160 is the composite number which has factors 1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580 and 1160
- And hence, 1160 is not the prime number.
Multiple Choice Questions:
1) 1160 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 1160 are
a) 4, 8, 10, 20, 40, 58, 116, 145, 232, 290, 580 and 1160
b) 2, 5, 29
c) 1, 4, 8, 10, 20, 40, 58, 116, 145, 232, 290, 580 and 1160
d) 1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580 and 1160
Ans: a) 4, 8, 10, 20, 40, 58, 116, 145, 232, 290, 580 and 1160
3) 1160 is composite number because
a) It has factors 1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580 and 1160
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b