Is 4540 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 4540 is composite or not first we have to find its factors.
Contents
Factors of 4540:
- If we have taken numbers from 1, 2, 3…for checking factors of 4540 we found that 4540 has factors 1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270 and 4540. Hence, we must say that 4540 is a composite number.
- Thus, 4540 is the composite number.
- If we multiply 4540 by 1, 2, 3 then we get the multiples of 4540 which are 4540, 9080 and so on.
About the number 4540:
- 4540 has more than two factors which are 1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270 and 4540 and hence it is the composite number.
- 4540 is the even composite number and it is not the perfect square also.
- If we divide 4540 by, 1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270 and 4540 then we get remainder as zero. Hence, 1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270 and 4540 are the factors of 4540.
Note:
- 4540 is not the perfect square.
- Factors of 4540: 1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270 and 4540
- Prime factors of 4540: 2, 5, 227
Conclusion:
- 4540 is the composite number which has factors, 1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270 and 4540
- And hence, 4540 is not the prime number.
Multiple Choice Questions:
1) 4540 is a
a) Prime number
b) Even number
c) Composite number
d) Both b and c
Ans: d) both b and c
2) The composite factors of a composite number 4540 are
a) 4540
b) 2, 5, 227
c) 4, 10, 20, 454, 908, 1135, 2270 and 4540
d) 1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270 and 4540
Ans: c) 4, 10, 20, 454, 908, 1135, 2270 and 4540
3) 4540 is composite number because
a) It has factors 1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270 and 4540
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b