Is 4009 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 4009 is composite or not first we have to find its factors.
Contents
Factors of 4009:
- If we have taken numbers from 1, 2, 3…for checking factors of 4009, we found that 4009 has factors 1, 19, 211 and 4009. Hence, we must say that 4009 is a composite number.
- Thus, 4009 is the composite number.
- If we multiply 4009 by 1, 2, 3 then we get the multiples of 4009 which are 4009, 8018 and so on.
4009 is a Composite number or Prime number
About the number 4009:
- 4009 has more than two factors which are 1, 19, 211 and 4009 and hence it is the composite number.
- 4009 is the odd composite number and it is not the perfect square also.
- If we divide 4009 by 1, 19, 211 and 4009 then we get remainder as zero. Hence 1, 19, 211 and 4009 are the factors of 4009
Note:
- 4009 is not the perfect square.
- Factors of 4009: 1, 19, 211 and 4009
- Prime factors of 4009: 19, 211
Conclusion:
- 4009 is the composite number which has factors 1, 19, 211 and 4009.
- And hence, 4009 is not the prime number.
Multiple Choice Questions:
1) 4009 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 4009 are
a) 1
b) 19, 211
c) 1, 19, 211 and 4009
d) 1 and 4009
Ans: d) 1 and 4009
3) 4009 is the odd composite number because
a) It has factors 1, 19, 211 and 4009
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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