Is 3854 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 3854 is composite or not first we have to find its factors.
Contents
Factors of 3854:
- If we have taken numbers from 1, 2, 3…for checking factors of 3854, we found that 3854 has factors 1, 2, 41, 47, 82, 94, 1927 and 3854. Hence, we must say that 3854 is a composite number.
- Thus, 3854 is the composite number.
- If we multiply 3854 by 1, 2, 3 then we get the multiples of 3854 which are 3854, 7708 and so on.
About the number 3854:
- 3854 has more than two factors which are 1, 2, 41, 47, 82, 94, 1927 and 3854 and hence it is the composite number.
- 3854 is the even composite number and it is not the perfect square also.
- If we divide 3854 by, 1, 2, 41, 47, 82, 94, 1927 and 3854 then we get remainder as zero. Hence, 1, 2, 41, 47, 82, 94, 1927 and 3854 are the factors of 3854.
Note:
- 3854 is not the perfect square.
- Factors of 3854: 1, 2, 41, 47, 82, 94, 1927 and 3854
- Prime factors of 3854: 2, 41, 47
Conclusion:
- 3854 is the composite number which has factors, 1, 2, 41, 47, 82, 94, 1927 and 3854
- And hence, 3854 is not the prime number.
Multiple Choice Questions:
1) 3854 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 3854 are
a) 3854
b) 2, 41, 47
c) 82, 94, 1927 and 3854
d) 1, 2, 41, 47, 82, 94, 1927 and 3854
Ans: c) 82, 94, 1927 and 3854
3) 3854 is composite number because
a) It has factors 1, 2, 41, 47, 82, 94, 1927 and 3854
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b