Is 1608 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 1608 is composite or not first we have to find its factors.
Contents
Factors of 1608:
- If we have taken numbers from 1, 2, 3…for checking factors of 1608, we found that 1608 has factors 1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804 and 1608. Hence, we must say that 1608 is a composite number.
- Thus, 1608 is the composite number.
- If we multiply 1608 by 1, 2, 3 then we get the multiples of 1608 which are 1608, 3216 and so on.
About the number 1608:
- 1608 has more than two factors which are 1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804 and 1608 and hence it is the composite number.
- 1608 is the even composite number and it is not the perfect square also.
- If we divide 1608 by 1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804 and 1608 then we get remainder as zero. Hence, 1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804 and 1608 are the factors of 1608.
Note:
- 1608 is not the perfect square.
- Factors of 1608: 1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804 and 1608
- Prime factors of 1608: 2, 3, 67
Conclusion:
- 1608 is the composite number which has factors 1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804 and 1608
- And hence, 1608 is not the prime number.
Multiple Choice Questions:
1) 1608 is a
a) Even number
b) Odd number
c) Composite number
d) Both a and c
Ans: d) both a and c
2) The prime factors of a composite number 1608 are
a) 1608
b) 2, 3, 67
c) 1, 4, 6, 8, 12, 24, 134, 201, 268, 402, 536, 804 and 1608
d) 1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804 and 1608
Ans: b) 2, 3, 67
3) 1608 is even composite number because
a) It has factors 1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804 and 1608
b) It has more than two factors
c) Divisible by 2
d) all
Ans: d) all