Is 1115 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 1115 is composite or not first we have to find its factors.
Contents
Factors of 1115:
- If we have taken numbers from 1, 2, 3…for checking factors of 1115, we found that 1115 has factors 1, 5, 223 and 1115. Hence, we must say that 1115 is a composite number.
- Thus, 1115 is the composite number.
- If we multiply 1115 by 1, 2, 3 then we get the multiples of 1115 which are 1115, 2230 and so on.
1115 is a Composite number or Prime number
About the number 1115:
- 1115 has more than two factors which are 1, 5, 223 and 1115 and hence it is the composite number.
- 1115 is the odd composite number and it is not the perfect square also.
- If we divide 1115 by 1, 5, 223 and 1115 then we get remainder as zero. Hence, 1, 5, 223 and 1115 are the factors of 1115
Note:
- 1115 is not the perfect square.
- Factors of 1115: 1, 5, 223 and 1115
- Prime factors of 1115: 5, 223
Conclusion:
- 1115 is the composite number which has factors 1, 5, 223 and 1115.
- And hence, 1115 is not the prime number.
Multiple Choice Questions:
1) 1115 is a
a) odd number
b) Prime number
c) Composite number
d) Both a and c
Ans: d) both a and c
2) The prime factors of a composite number 1115 are
a) 1
b) 5, 223
c) 1 and 1115
d) 1, 5, 223 and 1115
Ans: b) 5, 223
3) 1115 is the odd composite number because
a) It has factors 1, 5, 223 and 1115
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c