Is 3995 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 3995 is composite or not first we have to find its factors.
Contents
Factors of 3995:
- If we have taken numbers from 1, 2, 3…for checking factors of 3995, we found that 3995 has factors 1, 5, 17, 47, 85, 235, 799 and 3995. Hence, we must say that 3995 is a composite number.
- Thus, 3995 is the composite number.
- If we multiply 3995 by 1, 2, 3 then we get the multiples of 3995 which are 3995, 7990 and so on.
3995 is a Composite number or Prime number
About the number 3995:
- 3995 has more than two factors which are 1, 5, 17, 47, 85, 235, 799 and 3995 and hence it is the composite number.
- 3995 is the odd composite number and it is not the perfect square also.
- If we divide 3995 by 1, 5, 17, 47, 85, 235, 799 and 3995 then we get remainder as zero. Hence 1, 5, 17, 47, 85, 235, 799 and 3995 are the factors of 3995
Note:
- 3995 is not the perfect square.
- Factors of 3995:1, 5, 17, 47, 85, 235, 799 and 3995
- Prime factors of 3995: 5, 17, 47
Conclusion:
- 3995 is the composite number which has factors 1, 5, 17, 47, 85, 235, 799 and 3995.
- And hence, 3995 is not the prime number.
Multiple Choice Questions:
1) 3995 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 3995 are
a) 1
b) 5, 17, 47
c) 1, 5, 17, 47, 85, 235, 799 and 3995
d) 1, 85, 235, 799 and 3995
Ans: d) 1, 85, 235, 799 and 3995
3) 3995 is the odd composite number because
a) It has factors 1, 5, 17, 47, 85, 235, 799 and 3995
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
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