Is 698 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 698 is composite or not first we have to find its factors.
Factors of 698:
- If we have taken numbers from 1, 2, 3…for checking factors of 698, we found that 698 has factors 1, 2, 349 and 698. Hence, we must say that 698 is a composite number.
- Thus, 698 is the composite umber.
- If we multiply 698 by 1, 2, 3 then we get the multiples of 698 which are 698, 1396 and so on.
About the number 698:
- 698 has more than two factors which are 1, 2, 349 and 698 and hence it is the composite number.
- 698 is the even composite number and it is not the perfect square also.
- If we divide 698 by 1, 2, 349 and 698 then we get remainder as zero. Hence, 1, 2,349 and 698 are the factors of 698.
Note:
- 698 is not the perfect square.
- Factors of 698: 1, 2, 349 and 698
- Prime factors of 698: 2, 349
Conclusion:
- 698 is the composite number which has factors 1, 2, 349 and 698
- And hence, 698 is not the prime number.
Multiple Choice Questions:
1) 698 is a
a) perfect square 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 698 are
a) 698
b) 2, 349
c) 1 and 698
d) 1, 2, 349 and 698
Ans: a) 698
3) 698 is the composite number because
a) It has factors 1, 2, 349 and 698
b) More than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b