Is 3946 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 3946 is composite or not first we have to find its factors.
Contents
Factors of 3946:
- If we have taken numbers from 1, 2, 3…for checking factors of 3946, we found that 3946 has factors 1, 2, 1973 and 3946. Hence, we must say that 3946 is a composite number.
- Thus, 3946 is the composite number.
- If we multiply 3946 by 1, 2, 3 then we get the multiples of 3946 which are 3946, 7892 and so on.
About the number 3946:
- 3946 has more than two factors which are 1, 2, 1973 and 3946 and hence it is the composite number.
- 3946 is the even composite number and it is not the perfect square also.
- If we divide 3946 by, 1, 2, 1973 and 3946 then we get remainder as zero. Hence, 1, 2, 1973 and 3946 are the factors of 3946.
Note:
- 3946 is not the perfect square.
- Factors of 3946: 1, 2, 1973 and 3946
- Prime factors of 3946: 2, 1973
Conclusion:
- 3946 is the composite number which has factors, 1, 2, 1973 and 3946
- And hence, 3946 is not the prime number.
Multiple Choice Questions:
1) 3946 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 3946 are
a) 3946
b) 2, 1973
c) 3946
d) 1, 2, 1973 and 3946
Ans: c) 3946
3) 3946 is composite number because
a) It has factors 1, 2, 1973 and 3946
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b