Is 1893 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 1893 is composite or not first we have to find its factors.
Contents
Factors of 1893:
- If we have taken numbers from 1, 2, 3…for checking factors of 1893, we found that 1893 has factors 1, 3, 631 and 1893. Hence, we must say that 1893 is a composite number.
- Thus, 1893 is the composite number.
- If we multiply 1893 by 1, 2, 3 then we get the multiples of 1893 which are 1893, 3786 and so on.
1893 is a Composite number or Prime number
About the number 1893:
- 1893 has more than two factors which are 1, 3, 631 and 1893 and hence it is the composite number.
- 1893 is the odd composite number and it is not the perfect square also.
- If we divide 1893 by 1, 3, 631 and 1893 then we get remainder as zero. Hence, 1, 3, 631 and 1893 are the factors of 1893
Note:
- 1893 is not the perfect square.
- Factors of 1893: 1, 3, 631 and 1893
- Prime factors of 1893: 3, 631
Conclusion:
- 1893 is the composite number which has factors 1, 3, 631 and 1893.
- And hence, 1893 is not the prime number.
Multiple Choice Questions:
1) 1893 is a
a) Even number
b) Prime number
c) Composite number
d) Both a and c
Ans: c) composite number
2) The non-prime factors of a composite number 1893 are
a) 1
b) 3, 631
c) 1 and 1893
d) 1, 3, 631 and 1893
Ans: b) 1 and 1893
3) 1893 is the odd composite number because
a) It has factors 1, 3, 631 and 1893
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all