Is 542 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 542 is composite or not first we have to find its factors.
Contents
Factors of 542:
- If we have taken numbers from 1, 2, 3…for checking factors of 542, we found that 542 has factors 1, 2, 271 and 542. Hence, we must say that 542 is a composite number.
- Thus, 542 is the composite umber.
- If we multiply 542 by 1, 2, 3 then we get the multiples of 542 which are 542, 1084 and so on.
About the number 542:
- 542 has more than two factors which are 1, 2, 271 and 542 and hence it is the composite number.
- 542 is the even composite number and it is not the perfect square also.
- If we divide 542 by 1, 2, 271 and 542 then we get remainder as zero. Hence, 1, 2, 271 and 542 are the factors of 542.
Note:
- 542 is not the perfect square.
- Factors of 542: 1, 2, 271 and 542
- Prime factors of 542: 2, 271
Conclusion:
- 542 is the composite number which has factors 1, 2, 271 and 542
- And hence, 542 is not the prime number.
Multiple Choice Questions:
1) 542 is a
a) Prime number
b) Even number
c) Composite number
d) Both b and c
Ans: d) both b and c
2) The prime factors of a composite number 542 are
a) 1
b) 2, 271
c) 1 and 542
d) 1, 2, 271 and 542
Ans: b) 2, 271
3) 542 is the even composite number because
a) It has two factors
b) More than two factors
c) Divisible by 2
d) Both b and c
Ans: d) both b and c