Is 1604 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 1604 is composite or not first we have to find its factors.
Contents
Factors of 1604:
- If we have taken numbers from 1, 2, 3…for checking factors of 1604, we found that 1604 has factors 1, 2, 4, 401, 802 and 1604. Hence, we must say that 1604 is a composite number.
- Thus, 1604 is the composite number.
- If we multiply 1604 by 1, 2, 3 then we get the multiples of 1604 which are 1604, 3208 and so on.
About the number 1604:
- 1604 has more than two factors which are 1, 2, 4, 401, 802 and 1604 and hence it is the composite number.
- 1604 is the even composite number and it is not the perfect square also.
- If we divide 1604 by 1, 2, 4, 401, 802 and 1604 then we get remainder as zero. Hence, 1, 2, 4, 401, 802 and 1604 are the factors of 1604.
Note:
- 1604 is not the perfect square.
- Factors of 1604: 1, 2, 4, 401, 802 and 1604
- Prime factors of 1604: 2, 401
Conclusion:
- 1604 is the composite number which has factors 1, 2, 4, 401, 802 and 1604
- And hence, 1604 is not the prime number.
Multiple Choice Questions:
1) 1604 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 1604 are
a) 1604
b) 2, 401
c) 1, 4, 802 and 1604
d) 1, 2, 4, 401, 802 and 1604
Ans: b) 2, 401
3) 1604 is even composite number because
a) It has factors 1, 2, 4, 401, 802 and 1604
b) It has more than two factors
c) Divisible by 2
d) all
Ans: d) all