Is 3798 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 3798 is composite or not first we have to find its factors.
Contents
Factors of 3798:
- If we have taken numbers from 1, 2, 3…for checking factors of 3798, we found that 3798 has factors 1, 2, 3, 6, 9, 18, 211, 422, 633, 1266, 1899 and 3798. Hence, we must say that 3798 is a composite number.
- Thus, 3798 is the composite number.
- If we multiply 3798 by 1, 2, 3 then we get the multiples of 3798 which are 3798, 7596 and so on.
About the number 3798:
- 3798 has more than two factors which are 1, 2, 3, 6, 9, 18, 211, 422, 633, 1266, 1899 and 3798 and hence it is the composite number.
- 3798 is the even composite number and it is not the perfect square also.
- If we divide 3798 by, 1, 2, 3, 6, 9, 18, 211, 422, 633, 1266, 1899 and 3798 then we get remainder as zero. Hence, 1, 2, 3, 6, 9, 18, 211, 422, 633, 1266, 1899 and 3798 are the factors of 3798.
Note:
- 3798 is not the perfect square.
- Factors of 3798: 1, 2, 3, 6, 9, 18, 211, 422, 633, 1266, 1899 and 3798
- Prime factors of 3798: 2, 3, 211
Conclusion:
- 3798 is the composite number which has factors, 1, 2, 3, 6, 9, 18, 211, 422, 633, 1266, 1899 and 3798
- And hence, 3798 is not the prime number.
Multiple Choice Questions:
1) 3798 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 3798 are
a) 3798
b) 2, 3, 211
c) 6, 9, 18, 422, 633, 1266, 1899 and 3798
d) 1, 2, 3, 6, 9, 18, 211, 422, 633, 1266, 1899 and 3798
Ans: c) 6, 9, 18, 422, 633, 1266, 1899 and 3798
3) 3798 is composite number because
a) It has factors 1, 2, 3, 6, 9, 18, 211, 422, 633, 1266, 1899 and 3798
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b