Is 1784 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 1784 is composite or not first we have to find its factors.
Contents
Factors of 1784:
- If we have taken numbers from 1, 2, 3…for checking factors of 1784, we found that 1784 has factors 1, 2, 4, 8, 223, 446, 892 and 1784. Hence, we must say that 1784 is a composite number.
- Thus, 1784 is the composite number.
- If we multiply 1784 by 1, 2, 3 then we get the multiples of 1784 which are 1784, 3568 and so on.
About the number 1784:
- 1784 has more than two factors which are 1, 2, 4, 8, 223, 446, 892 and 1784 and hence it is the composite number.
- 1784 is the even composite number and it is not the perfect square also.
- If we divide 1784 by 1, 2, 4, 8, 223, 446, 892 and 1784 then we get remainder as zero. Hence, 1, 2, 4, 8, 223, 446, 892 and 1784 are the factors of 1784.
Note:
- 1784 is not the perfect square.
- Factors of 1784: 1, 2, 4, 8, 223, 446, 892 and 1784
- Prime factors of 1784: 2, 223
Conclusion:
- 1784 is the composite number which has factors 1, 2, 4, 8, 223, 446, 892 and 1784
- And hence, 1784 is not the prime number.
Multiple Choice Questions:
1) 1784 is a
a) Prime number
b) Odd number
c) Composite number
d) Both a and c
Ans: c) composite number
2) The non-prime factors of a composite number 1784 are
a) 1784
b) 2, 223
c) 1, 4, 8, 446, 892 and 1784
d) 1, 2, 4, 8, 223, 446, 892 and 1784
Ans: c) 1, 4, 8, 446, 892 and 1784
3) 1784 is composite number because
a) It has factors 1, 2, 4, 8, 223, 446, 892 and 1784
b) It has only two factors
c) Divisible by 2
d) Both a and c
Ans: a) it has factors 1, 2, 4, 8, 223, 446, 892 and 1784