Is 1003 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 1003 is composite or not first we have to find its factors.
Contents
Factors of 1003:
- If we have taken numbers from 1, 2, 3…for checking factors of 1003, we found that 1003 has factors 1, 17, 59 and 1003. Hence, we must say that 1003 is a composite number.
- Thus, 1003 is the composite number.
- If we multiply 1003 by 1, 2, 3 then we get the multiples of 1003 which are 1003, 2006 and so on.
1003 is a Composite number or Prime number
About the number 1003:
- 1003 has more than two factors which are 1, 17, 59 and 1003 and hence it is the composite number.
- 1003 is the odd composite number and it is not the perfect square also.
- If we divide 1003 by 1, 17, 59 and 1003 then we get remainder as zero. Hence, 1, 17, 59 and 1003 are the factors of 1003
Note:
- 1003 is not the perfect square.
- Factors of 1003: 1, 17, 59 and 1003
- Prime factors of 1003: 17, 59
Conclusion:
- 1003 is the composite number which has factors 1, 17, 59 and 1003.
- And hence, 1003 is not the prime number.
Multiple Choice Questions:
1) 1003 is a
a) odd number
b) Prime number
c) Composite number
d) Both a and c
Ans: d) both a and c
2) The prime factors of a composite number 1003 are
a) 1
b) 17, 59
c) 1 and 1003
d) 1, 17, 59 and 1003
Ans: b) 17, 59
3) 1003 is the odd composite number because
a) It has factors 1, 17, 59 and 1003
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c