Is 358 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 358 is composite or not first we have to find its factors.
Contents
Factors of 358:
- If we have taken numbers from 1, 2, 3…for checking factors of 358, we found that 358 has factors 1, 2, 179 and 358. Hence, we must say that 358 is a composite number.
- Thus, 358 is the composite umber.
- If we multiply 358 by 1, 2, 3 then we get the multiples of 358 which are 358, 716 and so on.
About the number 358:
- 358 has more than two factors which are 1, 2, 179 and 358 and hence it is the composite number.
- 358 is the even composite number and it is not the perfect square also.
- If we divide 358 by 1, 2, 179 and 358 then we get remainder as zero. Hence, 1, 2, 179 and 358 are the factors of 358.
Note:
- 358 is not the perfect square.
- Factors of 358: 1, 2, 179 and 358
- Prime factors of 358: 2, 179
Conclusion:
- 358 is the composite number which has factors 1, 2, 179 and 358
- And hence, 358 is not the prime number.
Multiple Choice Questions:
1) 358 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 358 are
a) 2
b) 2, 179
c) 1 and 358
d) 1, 2, 179 and 358
Ans: c)1 and 358
3) 358 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