Is 298 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 298 is composite or not first we have to find its factors.
Contents
Factors of 298:
- If we have taken numbers from 1, 2, 3…for checking factors of 298, we found that 298 has factors 1, 2, 149 and 298. Hence, we must say that 298 is a composite number.
- Thus, 298 is the composite umber.
- If we multiply 298 by 1, 2, 3 then we get the multiples of 298 which are 298, 596, and so on
About the number 298:
- 298 has more than two factors which are 1, 2, 149 and 298 and hence it is the composite number.
- 298 is the even composite number and it is not the perfect square also.
- If we divide 298 by 1, 2, 149 and 298 then we get remainder as zero. Hence, 1, 2, 149 and 298 are the factors of 298.
Note:
- 298 is not the perfect square.
- Factors of 298: 1, 2, 149 and 298
- Prime factors of 298: 2, 149
Conclusion:
- 298 is the composite number which has factors 1, 2, 149 and 298
- And hence, 298 is not the prime number.
Multiple Choice Questions:
1) 298 is a
a) Prime number
b) Odd number
c) Composite number
d) Both b and c
Ans: c) composite number
2) The non-prime factors of a composite number 298 are
a) 2
b) 2, 149
c) 1, 298
d) 1, 2, 149 and 298
Ans: c) 1,298
3) 298 is the even composite number as it has
a) Only two factors
b) It is divisible by 2
c) More than 2 factors
d) Both b and c
Ans: d) both b and c