Is 538 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 538 is composite or not first we have to find its factors.
Contents
Factors of 538:
- If we have taken numbers from 1, 2, 3…for checking factors of 538, we found that 538 has factors 1, 2, 269 and 538. Hence, we must say that 538 is a composite number.
- Thus, 538 is the composite umber.
- If we multiply 538 by 1, 2, 3 then we get the multiples of 538 which are 538, 1076 and so on.
About the number 538:
- 538 has more than two factors which are 1, 2, 269 and 538 and hence it is the composite number.
- 538 is the even composite number and it is not the perfect square also.
- If we divide 538 by 1, 2, 269 and 538 then we get remainder as zero. Hence, 1, 2, 269 and 538 are the factors of 538.
Note:
- 538 is not the perfect square.
- Factors of 538: 1, 2, 269 and 538
- Prime factors of 538: 2, 269
Conclusion:
- 538 is the composite number which has factors 1, 2, 269 and 538
- And hence, 538 is not the prime number.
Multiple Choice Questions:
1) 538 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 538 are
a) 1
b) 2, 269
c) 1 and 538
d) 1, 2, 269 and 538
Ans: b) 2, 269
3) 538 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