Is 603 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 603 is composite or not first we have to find its factors.
Contents
Factors of 603:
- If we have taken numbers from 1, 2, 3…for checking factors of 603, we found that 603 has factors 1, 3, 9, 67, 201 and 603. Hence, we must say that 603 is a composite number.
- Thus, 603 is the composite number.
- If we multiply 603 by 1, 2, 3 then we get the multiples of 603 which are 603, 1206 and so on.
603 is a Composite number or Prime number
About the number 603:
- 603 has more than two factors which are 1, 3, 9, 67, 201 and 603 and hence it is the composite number.
- 603 is the odd composite number and it is not the perfect square also.
- If we divide 603 by 1, 3, 9, 67, 201 and 603 then we get remainder as zero. Hence, 1, 3, 9, 67, 201 and 603 are the factors of 603.
Note:
- 603 is not the perfect square.
- Factors of 603: 1, 3, 9, 67, 201 and 603
- Prime factors of 603: 3, 67
Conclusion:
- 603 is the composite number which has factors 1, 3, 9, 67, 201 and 603.
- And hence, 603 is not the prime number.
Multiple Choice Questions:
1) 603 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 603 are
a) 1
b) 3, 67
c) 1, 9, 201 and 603
d) 1, 3, 9, 67, 201 and 603
Ans: b) 3, 67
3) 603 is the odd composite number because
a) It has factors 1, 3, 9, 67, 201 and 603
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c