Is 322 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 322 is composite or not first we have to find its factors.
Contents
Factors of 322:
- If we have taken numbers from 1, 2, 3…for checking factors of 322, we found that 322 has factors 1, 2, 7, 14, 23, 46, 161 and 322. Hence, we must say that 322 is a composite number.
- Thus, 322 is the composite umber.
- If we multiply 322 by 1, 2, 3 then we get the multiples of 322 which are 322, 644 and so on.
About the number 322:
- 322 has more than two factors which are 1, 2, 7, 14, 23, 46, 161 and 322 and hence it is the composite number.
- 322 is the even composite number and it is not the perfect square also.
- If we divide 322 by 1, 2, 7, 14, 23, 46, 161 and 322 then we get remainder as zero. Hence,1, 2, 7, 14, 23, 46, 161 and 322 are the factors of 322.
Note:
- 322 is not the perfect square.
- Factors of 322:1, 2, 7, 14, 23, 46, 161 and 322
- Prime factors of 322: 2, 7, 23
Conclusion:
- 322 is the composite number which has factors 1, 2, 7, 14, 23, 46, 161 and 322
- And hence, 322 is not the prime number.
Multiple Choice Questions:
1) 322 is a
a) Prime number
b) Even number
c) Composite number
d) Both b and c
Ans: d) both b and c
2) The prime factors of a composite number 322 are
a) 2
b) 2, 7, 23
c) 1, 14, 46, 161
d) 1, 2, 7, 14, 23, 46, 161 and 322
Ans: b) 2, 7, 23
3) 322 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