Is 3965 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 3965 is composite or not first we have to find its factors.
Contents
Factors of 3965:
- If we have taken numbers from 1, 2, 3…for checking factors of 3965, we found that 3965 has factors 1, 5, 13, 61, 65, 305, 793 and 3965. Hence, we must say that 3965 is a composite number.
- Thus, 3965 is the composite number.
- If we multiply 3965 by 1, 2, 3 then we get the multiples of 3965 which are 3965, 7930 and so on.
3965 is a Composite number or Prime number
About the number 3965:
- 3965 has more than two factors which are 1, 5, 13, 61, 65, 305, 793 and 3965 and hence it is the composite number.
- 3965 is the odd composite number and it is not the perfect square also.
- If we divide 3965 by 1, 5, 13, 61, 65, 305, 793 and 3965 then we get remainder as zero. Hence 1, 5, 13, 61, 65, 305, 793 and 3965 are the factors of 3965
Note:
- 3965 is not the perfect square.
- Factors of 3965:1, 5, 13, 61, 65, 305, 793 and 3965
- Prime factors of 3965: 5, 13, 61
Conclusion:
- 3965 is the composite number which has factors 1, 5, 13, 61, 65, 305, 793 and 3965.
- And hence, 3965 is not the prime number.
Multiple Choice Questions:
1) 3965 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 3965 are
a) 1
b) 5, 13, 61
c) 1, 5, 13, 61, 65, 305, 793 and 3965
d) 1, 65, 305, 793 and 3965
Ans: d) 1, 65, 305, 793 and 3965
3) 3965 is the odd composite number because
a) It has factors 1, 5, 13, 61, 65, 305, 793 and 3965
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 3963 a Composite number- Click Here
- Is 3961 a Composite number- Click Here