Is 3618 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 3618 is composite or not first we have to find its factors.
Contents
Factors of 3618:
- If we have taken numbers from 1, 2, 3…for checking factors of 3618, we found that 3618 has factors 1, 2, 3, 6, 9, 18, 27, 54, 67, 134, 201, 402, 603, 1206, 1809 and 3618. Hence, we must say that 3618 is a composite number.
- Thus, 3618 is the composite number.
- If we multiply 3618 by 1, 2, 3 then we get the multiples of 3618 which are 3618, 7236 and so on.
About the number 3618:
- 3618 has more than two factors which are 1, 2, 3, 6, 9, 18, 27, 54, 67, 134, 201, 402, 603, 1206, 1809 and 3618 and hence it is the composite number.
- 3618 is the even composite number and it is not the perfect square also.
- If we divide 3618 by, 1, 2, 3, 6, 9, 18, 27, 54, 67, 134, 201, 402, 603, 1206, 1809 and 3618 then we get remainder as zero. Hence, 1, 2, 3, 6, 9, 18, 27, 54, 67, 134, 201, 402, 603, 1206, 1809 and 3618 are the factors of 3618.
Note:
- 3618 is not the perfect square.
- Factors of 3618: 1, 2, 3, 6, 9, 18, 27, 54, 67, 134, 201, 402, 603, 1206, 1809 and 3618
- Prime factors of 3618: 2, 3, 67
Conclusion:
- 3618 is the composite number which has factors, 1, 2, 3, 6, 9, 18, 27, 54, 67, 134, 201, 402, 603, 1206, 1809 and 3618
- And hence, 3618 is not the prime number.
Multiple Choice Questions:
1) 3618 is a
a) Prime number
b) Odd number
c) Composite number
d) Both b and c
Ans: c) composite number
2) The prime factors of a composite number 3618 are
a) 3618
b) 2, 3, 67
c) 6, 9, 18, 27, 54, 134, 201, 402, 603, 1206, 1809 and 3618
d) 1, 2, 3, 6, 9, 18, 27, 54, 67, 134, 201, 402, 603, 1206, 1809 and 3618
Ans: b) 2, 3, 67
3) 3618 is even composite number because
a) It has factors 1, 2, 3, 6, 9, 18, 27, 54, 67, 134, 201, 402, 603, 1206, 1809 and 3618
b) It has more than two factors
c) Divisible by 2
d) all
Ans: d) all