Is 609 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 609 is composite or not first we have to find its factors.
Contents
Factors of 609:
- If we have taken numbers from 1, 2, 3…for checking factors of 609, we found that 609 has factors 1, 3, 7, 21, 29, 87, 203 and 609. Hence, we must say that 609 is a composite number.
- Thus, 609 is the composite number.
- If we multiply 609 by 1, 2, 3 then we get the multiples of 609 which are 609, 1218 and so on.
609 is a Composite number or Prime number
About the number 609:
- 609 has more than two factors which are 1, 3, 7, 21, 29, 87, 203 and 609 and hence it is the composite number.
- 609 is the odd composite number and it is not the perfect square also.
- If we divide 609 by 1, 3, 7, 21, 29, 87, 203 and 609 then we get remainder as zero. Hence, 1, 3, 7, 21, 29, 87, 203 and 609 are the factors of 609.
Note:
- 609 is not the perfect square.
- Factors of 609: 1, 3, 7, 21, 29, 87, 203 and 609
- Prime factors of 609: 3, 7, 29
Conclusion:
- 609 is the composite number which has factors 1, 3, 7, 21, 29, 87, 203 and 609.
- And hence, 609 is not the prime number.
Multiple Choice Questions:
1) 609 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 609 are
a) 1
b) 3, 7, 29
c) 1, 21, 87, 203 and 609
d) 1, 3, 7, 21, 29, 87, 203 and 609
Ans: b) 3, 7, 29
3) 609 is the odd composite number because
a) It has factors 1, 3, 7, 21, 29, 87, 203 and 609
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c