Is 3966 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 3966 is composite or not first we have to find its factors.
Contents
Factors of 3966:
- If we have taken numbers from 1, 2, 3…for checking factors of 3966, we found that 3966 has factors 1, 2, 3, 6, 661, 1322, 1983 and 3966. Hence, we must say that 3966 is a composite number.
- Thus, 3966 is the composite number.
- If we multiply 3966 by 1, 2, 3 then we get the multiples of 3966 which are 3966, 7932 and so on.
About the number 3966:
- 3966 has more than two factors which are 1, 2, 3, 6, 661, 1322, 1983 and 3966 and hence it is the composite number.
- 3966 is the even composite number and it is not the perfect square also.
- If we divide 3966 by, 1, 2, 3, 6, 661, 1322, 1983 and 3966 then we get remainder as zero. Hence, 1, 2, 3, 6, 661, 1322, 1983 and 3966 are the factors of 3966.
Note:
- 3966 is not the perfect square.
- Factors of 3966: 1, 2, 3, 6, 661, 1322, 1983 and 3966
- Prime factors of 3966: 2, 3, 661
Conclusion:
- 3966 is the composite number which has factors, 1, 2, 3, 6, 661, 1322, 1983 and 3966
- And hence, 3966 is not the prime number.
Multiple Choice Questions:
1) 3966 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 3966 are
a) 3966
b) 2, 3, 661
c) 6, 1322, 1983 and 3966
d) 1, 2, 3, 6, 661, 1322, 1983 and 3966
Ans: c) 6, 1322, 1983 and 3966
3) 3966 is composite number because
a) It has factors 1, 2, 3, 6, 661, 1322, 1983 and 3966
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b