Is 1886 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 1886 is composite or not first we have to find its factors.
Contents
Factors of 1886:
- If we have taken numbers from 1, 2, 3…for checking factors of 1886, we found that 1886 has factors 1, 2, 23, 41, 46, 82, 943 and 1886. Hence, we must say that 1886 is a composite number.
- Thus, 1886 is the composite number.
- If we multiply 1886 by 1, 2, 3 then we get the multiples of 1886 which are 1886, 3772 and so on.
About the number 1886:
- 1886 has more than two factors which are 1, 2, 23, 41, 46, 82, 943 and 1886 and hence it is the composite number.
- 1886 is the even composite number and it is not the perfect square also.
- If we divide 1886 by, 1, 2, 23, 41, 46, 82, 943 and 1886 then we get remainder as zero. Hence, 1, 2, 23, 41, 46, 82, 943 and 1886 are the factors of 1886.
Note:
- 1886 is not the perfect square.
- Factors of 1886: 1, 2, 23, 41, 46, 82, 943 and 1886
- Prime factors of 1886: 2, 23, 41
Conclusion:
- 1886 is the composite number which has factors 1, 2, 23, 41, 46, 82, 943 and 1886
- And hence, 1886 is not the prime number.
Multiple Choice Questions:
1) 1886 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 1886 are
a) 1886
b) 2, 23, 41
c) 1, 46, 82, 943 and 1886
d) 1, 2, 23, 41, 46, 82, 943 and 1886
Ans: c) 1, 46, 82, 943 and 1886
3) 1886 is composite number because
a) It has factors 1, 2, 23, 41, 46, 82, 943 and 1886
b) It has only two factors
c) Divisible by 2
d) Both a and c
Ans: a) it has factors 1, 2, 23, 41, 46, 82, 943 and 1886