Is 3615 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 3615 is composite or not first we have to find its factors.
Contents
Factors of 3615:
- If we have taken numbers from 1, 2, 3…for checking factors of 3615, we found that 3615 has factors 1, 3, 5, 15, 241, 723, 1205 and 3615. Hence, we must say that 3615 is a composite number.
- Thus, 3615 is the composite number.
- If we multiply 3615 by 1, 2, 3 then we get the multiples of 3615 which are 3615, 7230 and so on.
3615 is a Composite number or Prime number
About the number 3615:
- 3615 has more than two factors which are 1, 3, 5, 15, 241, 723, 1205 and 3615 and hence it is the composite number.
- 3615 is the odd composite number and it is not the perfect square also.
- If we divide 3615 by 1, 3, 5, 15, 241, 723, 1205 and 3615 then we get remainder as zero. Hence 1, 3, 5, 15, 241, 723, 1205 and 3615 are the factors of 3615
Note:
- 3615 is not the perfect square.
- Factors of 3615:1, 3, 5, 15, 241, 723, 1205 and 3615
- Prime factors of 3615: 3, 5, 241
Conclusion:
- 3615 is the composite number which has factors 1, 3, 5, 15, 241, 723, 1205 and 3615.
- And hence, 3615 is not the prime number.
Multiple Choice Questions:
1) 3615 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 3615 are
a) 1
b) 3, 5, 241
c) 1, 3, 5, 15, 241, 723, 1205 and 3615
d) 1, 15, 723, 1205 and 3615
Ans: d) 1,15, 723, 1205 and 3615
3) 3615 is the odd composite number because
a) It has factors 1, 3, 5, 15, 241, 723, 1205 and 3615
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 3609 a Composite number- Click Here
- Is 3605 a Composite number- Click Here