Is 1146 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 1146 is composite or not first we have to find its factors.
Contents
Factors of 1146:
- If we have taken numbers from 1, 2, 3…for checking factors of 1146, we found that 1146 has factors 1, 2, 3, 6, 191, 382, 573 and 1146. Hence, we must say that 1146 is a composite number.
- Thus, 1146 is the composite number.
- If we multiply 1146 by 1, 2, 3 then we get the multiples of 1146 which are 1146, 2292 and so on.
About the number 1146:
- 1146 has more than two factors which are 1, 2, 3, 6, 191, 382, 573 and 1146 and hence it is the composite number.
- 1146 is the even composite number and it is not the perfect square also.
- If we divide 1146 by 1, 2, 3, 6, 191, 382, 573 and 1146 then we get remainder as zero. Hence, 1, 2, 3, 6, 191, 382, 573 and 1146 are the factors of 1146.
Note:
- 1146 is not the perfect square.
- Factors of 1146: 1, 2, 3, 6, 191, 382, 573 and 1146
- Prime factors of 1146: 2, 3, 191
Conclusion:
- 1146 is the composite number which has factors 1, 2, 3, 6, 191, 382, 573 and 1146
- And hence, 1146 is not the prime number.
Multiple Choice Questions:
1) 1146 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 1146 are
a) 6, 382, 573 and 1146
b) 2, 3, 191
c) 1, 6, 382, 573 and 1146
d) 1, 2, 3, 6, 191, 382, 573 and 1146
Ans: a) 6,382, 573 and 1146
3) 1146 is composite number because
a) It has factors 1, 2, 3, 6, 191, 382, 573 and 1146
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b