Is 2809 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 2809 is composite or not first we have to find its factors.
Contents
Factors of 2809:
- If we have taken numbers from 1, 2, 3…for checking factors of 2809, we found that 2809 has factors 1, 53 and 2809. Hence, we must say that 2809 is a composite number.
- Thus, 2809 is the composite number.
- If we multiply 2809 by 1, 2, 3 then we get the multiples of 2809 which are 2809, 5618 and so on.
2809 is a Composite number or Prime number
About the number 2809:
- 2809 has more than two factors which are 1, 53 and 2809 and hence it is the composite number.
- 2809 is the odd composite number and it is the perfect square also.
- If we divide 2809 by 1, 53 and 2809 then we get remainder as zero. Hence 1, 53 and 2809 are the factors of 2809
Note:
- 2809 is the perfect square.
- Factors of 2809: 1, 53 and 2809
- Prime factors of 2809: 53
Conclusion:
- 2809 is the composite number which has factors 1, 53 and 2809.
- And hence, 2809 is not the prime number.
Multiple Choice Questions:
1) 2809 is a
a) odd number
b) Prime number
c) even number
d) Both a and c
Ans: a) odd number
2) The non-prime factors of a composite number 2809 are
a) 1
b) 53
c) 1, 53 and 2809
d) 1 and 2809
Ans: d) 1 and 2809
3) 2809 is the odd composite number because
a) It has factors 1, 53 and 2809
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all