Is 1892 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 1892 is composite or not first we have to find its factors.
Contents
Factors of 1892:
- If we have taken numbers from 1, 2, 3…for checking factors of 1892, we found that 1892 has factors 1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946 and 1892. Hence, we must say that 1892 is a composite number.
- Thus, 1892 is the composite number.
- If we multiply 1892 by 1, 2, 3 then we get the multiples of 1892 which are 1892, 3784 and so on.
About the number 1892:
- 1892 has more than two factors which are 1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946 and 1892 and hence it is the composite number.
- 1892 is the even composite number and it is not the perfect square also.
- If we divide 1892 by, 1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946 and 1892 then we get remainder as zero. Hence, 1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946 and 1892 are the factors of 1892.
Note:
- 1892 is not the perfect square.
- Factors of 1892: 1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946 and 1892
- Prime factors of 1892: 2, 11, 43
Conclusion:
- 1892 is the composite number which has factors 1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946 and 1892
- And hence, 1892 is not the prime number.
Multiple Choice Questions:
1) 1892 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 1892 are
a) 1892
b) 2, 11, 43
c) 1, 4, 22, 44, 86, 172, 473, 946 and 1892
d) 1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946 and 1892
Ans: c) 1, 4, 22, 44, 86, 172, 473, 946 and 1892
3) 1892 is composite number because
a) It has factors 1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946 and 1892
b) It has only two factors
c) Divisible by 2
d) Both a and c
Ans: a) it has factors 1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946 and 1892