Is 806 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 806 is composite or not first we have to find its factors.
Contents
Factors of 806:
- If we have taken numbers from 1, 2, 3…for checking factors of 806, we found that 806 has factors 1, 2, 13, 26, 31, 62, 403 and 806. Hence, we must say that 806 is a composite number.
- Thus, 806 is the composite umber.
- If we multiply 806 by 1, 2, 3 then we get the multiples of 806 which are 806, 1612 and so on.
About the number 806:
- 806 has more than two factors which are 1, 2, 13, 26, 31, 62, 403 and 806 and hence it is the composite number.
- 806 is the even composite number and it is not the perfect square also.
- If we divide 806 by 1, 2, 13, 26, 31, 62, 403 and 806 then we get remainder as zero. Hence, 1, 2, 13, 26, 31, 62, 403 and 806 are the factors of 806.
Note:
- 806 is not the perfect square.
- Factors of 806: 1, 2, 13, 26, 31, 62, 403 and 806
- Prime factors of 806: 2, 13, 31
Conclusion:
- 806 is the composite number which has factors 1, 2, 13, 26, 31, 62, 403 and 806
- And hence, 806 is not the prime number.
Multiple Choice Questions:
1) 806 is a
a) Odd number
b) Prime number
c) Composite number
d) Both b and c
Ans: c) composite number
2) The prime factors of a composite number 806 are
a) 1
b) 2, 13, 31
c) 1, 26, 62, 403 and 806
d) 1, 2, 13, 26, 31, 62, 403 and 806
Ans: b) 2, 13, 31
3) 806 is the composite number because
a) It has factors 1, 2, 13, 26, 31, 62, 403 and 806
b) It has only prime factors
c) Divisible by 2
d) Both a and b
Ans: a) It has factors 1, 2, 13, 26, 31, 62, 403 and 806