Is 1509 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 1509 is composite or not first we have to find its factors.
Contents
Factors of 1509:
- If we have taken numbers from 1, 2, 3…for checking factors of 1509, we found that 1509 has factors 1, 3, 503 and 1509. Hence, we must say that 1509 is a composite number.
- Thus, 1509 is the composite number.
- If we multiply 1509 by 1, 2, 3 then we get the multiples of 1509 which are 1509, 3018 and so on.
1509 is a Composite number or Prime number
About the number 1509:
- 1509 has more than two factors which are 1, 3, 503 and 1509 and hence it is the composite number.
- 1509 is the odd composite number and it is not the perfect square also.
- If we divide 1509 by 1, 3, 503 and 1509 then we get remainder as zero. Hence, 1, 3, 503 and 1509 are the factors of 1509
Note:
- 1509 is not the perfect square.
- Factors of 1509: 1, 3, 503 and 1509
- Prime factors of 1509: 3, 503
Conclusion:
- 1509 is the composite number which has factors 1, 3, 503 and 1509.
- And hence, 1509 is not the prime number.
Multiple Choice Questions:
1) 1509 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 1509 are
a) 1
b) 3, 503
c) 1 and 1509
d) 1, 3, 503 and 1509
Ans: b) 1 and 1509
3) 1509 is the odd composite number because
a) It has factors 1, 3, 503 and 1509
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all