Is 1533 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 1533 is composite or not first we have to find its factors.
Contents
Factors of 1533:
- If we have taken numbers from 1, 2, 3…for checking factors of 1533, we found that 1533 has factors 1, 3, 7, 21, 73, 219, 511 and 1533. Hence, we must say that 1533 is a composite number.
- Thus, 1533 is the composite number.
- If we multiply 1533 by 1, 2, 3 then we get the multiples of 1533 which are 1533, 3066 and so on.
1533 is a Composite number or Prime number
About the number 1533:
- 1533 has more than two factors which are 1, 3, 7, 21, 73, 219, 511 and 1533 and hence it is the composite number.
- 1533 is the odd composite number and it is not the perfect square also.
- If we divide 1533 by 1, 3, 7, 21, 73, 219, 511 and 1533 then we get remainder as zero. Hence, 1, 3, 7, 21, 73, 219, 511 and 1533 are the factors of 1533
Note:
- 1533 is not the perfect square.
- Factors of 1533: 1, 3, 7, 21, 73, 219, 511 and 1533
- Prime factors of 1533: 3, 7, 73
Conclusion:
- 1533 is the composite number which has factors 1, 3, 7, 21, 73, 219, 511 and 1533.
- And hence, 1533 is not the prime number.
Multiple Choice Questions:
1) 1533 is a
a) Even number
b) Prime number
c) Composite number
d) Both a and c
Ans: c) composite number
2) The non-prime factors of a composite number 1533 are
a) 1
b) 3, 7, 73
c) 1, 21, 219, 511 and 1533
d) 1, 3, 7, 21, 73, 219, 511 and 1533
Ans: b) 1, 21, 219, 511 and 1533
3) 1533 is the odd composite number because
a) It has factors 1, 3, 7, 21, 73, 219, 511 and 1533
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all