Is 354 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 354 is composite or not first we have to find its factors.
Contents
Factors of 354:
- If we have taken numbers from 1, 2, 3…for checking factors of 354, we found that 354 has factors 1, 2, 3, 6, 59, 118, 177 and 354. Hence, we must say that 354 is a composite number.
- Thus, 354 is the composite umber.
- If we multiply 354 by 1, 2, 3 then we get the multiples of 354 which are 354, 708 and so on.
About the number 354:
- 354 has more than two factors which are 1, 2, 3, 6, 59, 118, 177 and 354 and hence it is the composite number.
- 354 is the even composite number and it is not the perfect square also.
- If we divide 354 by 1, 2, 3, 6, 59, 118, 177 and 354 then we get remainder as zero. Hence,1, 2, 3, 6, 59, 118, 177 and 354 are the factors of 354.
Note:
- 354 is not the perfect square.
- Factors of 354: 1, 2, 3, 6, 59, 118, 177 and 354
- Prime factors of 354: 2, 3, 59
Conclusion:
- 354 is the composite number which has factors 1, 2, 3, 6, 59, 118, 177
- And hence, 354 is not the prime number.
Multiple Choice Questions:
1) 354 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 354 are
a) 2
b) 2, 3, 59
c) 1, 6, 118, 177 and 354
d) 1, 2, 3, 6, 59, 118, 177 and 354
Ans: c) 1, 6, 118, 177 and 354
3) 354 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