Is 3997 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 3997 is composite or not first we have to find its factors.
Contents
Factors of 3997:
- If we have taken numbers from 1, 2, 3…for checking factors of 3997, we found that 3997 has factors 1, 7, 571 and 3997. Hence, we must say that 3997 is a composite number.
- Thus, 3997 is the composite number.
- If we multiply 3997 by 1, 2, 3 then we get the multiples of 3997 which are 3997, 7994 and so on.
3997 is a Composite number or Prime number
About the number 3997:
- 3997 has more than two factors which are 1, 7, 571 and 3997 and hence it is the composite number.
- 3997 is the odd composite number and it is not the perfect square also.
- If we divide 3997 by 1, 7, 571 and 3997 then we get remainder as zero. Hence 1, 7, 571 and 3997 are the factors of 3997
Note:
- 3997 is not the perfect square.
- Factors of 3997:1, 7, 571 and 3997
- Prime factors of 3997: 7, 571
Conclusion:
- 3997 is the composite number which has factors 1, 7, 571 and 3997.
- And hence, 3997 is not the prime number.
Multiple Choice Questions:
1) 3997 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 3997 are
a) 1
b) 7, 571
c) 1, 7, 571 and 3997
d) 1 and 3997
Ans: d) 1 and 3997
3) 3997 is the odd composite number because
a) It has factors 1, 7, 571 and 3997
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
Why the below numbers are composite numbers
- Is 3993 a Composite number- Click Here
- Is 3991 a Composite number- Click Here