Is 3846 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 3846 is composite or not first we have to find its factors.
Contents
Factors of 3846:
- If we have taken numbers from 1, 2, 3…for checking factors of 3846, we found that 3846 has factors 1, 2, 3, 6, 641, 1282, 1923 and 3846. Hence, we must say that 3846 is a composite number.
- Thus, 3846 is the composite number.
- If we multiply 3846 by 1, 2, 3 then we get the multiples of 3846 which are 3846, 7692 and so on.
About the number 3846:
- 3846 has more than two factors which are 1, 2, 3, 6, 641, 1282, 1923 and 3846 and hence it is the composite number.
- 3846 is the even composite number and it is not the perfect square also.
- If we divide 3846 by, 1, 2, 3, 6, 641, 1282, 1923 and 3846 then we get remainder as zero. Hence, 1, 2, 3, 6, 641, 1282, 1923 and 3846 are the factors of 3846.
Note:
- 3846 is not the perfect square.
- Factors of 3846: 1, 2, 3, 6, 641, 1282, 1923 and 3846
- Prime factors of 3846: 2, 3, 641
Conclusion:
- 3846 is the composite number which has factors, 1, 2, 3, 6, 641, 1282, 1923 and 3846
- And hence, 3846 is not the prime number.
Multiple Choice Questions:
1) 3846 is a
a) Prime number
b) Even number
c) Composite number
d) Both b and c
Ans: d) both b and c
2) The composite factors of a composite number 3846 are
a) 3846
b) 2, 3, 641
c) 6, 1282, 1923 and 3846
d) 1, 2, 3, 6, 641, 1282, 1923 and 3846
Ans: c) 6, 1282, 1923 and 3846
3) 3846 is composite number because
a) It has factors 1, 2, 3, 6, 641, 1282, 1923 and 3846
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b