Is 1503 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 1503 is composite or not first we have to find its factors.
Contents
Factors of 1503:
- If we have taken numbers from 1, 2, 3…for checking factors of 1503, we found that 1503 has factors 1, 3, 9, 167, 501 and 1503. Hence, we must say that 1503 is a composite number.
- Thus, 1503 is the composite number.
- If we multiply 1503 by 1, 2, 3 then we get the multiples of 1503 which are 1503, 3006 and so on.
1503 is a Composite number or Prime number
About the number 1503:
- 1503 has more than two factors which are 1, 3, 9, 167, 501 and 1503 and hence it is the composite number.
- 1503 is the odd composite number and it is not the perfect square also.
- If we divide 1503 by 1, 3, 9, 167, 501 and 1503 then we get remainder as zero. Hence, 1, 3, 9, 167, 501 and 1503 are the factors of 1503
Note:
- 1503 is not the perfect square.
- Factors of 1503: 1, 3, 9, 167, 501 and 1503
- Prime factors of 1503: 3, 167
Conclusion:
- 1503 is the composite number which has factors 1, 3, 9, 167, 501 and 1503.
- And hence, 1503 is not the prime number.
Multiple Choice Questions:
1) 1503 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 1503 are
a) 1
b) 3, 167
c) 1, 9, 501 and 1503
d) 1, 3, 9, 167, 501 and 1503
Ans: b) 1, 9, 501 and 1503
3) 1503 is the odd composite number because
a) It has factors 1, 3, 9, 167, 501 and 1503
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all