Is 382 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 382 is composite or not first we have to find its factors.
Contents
Factors of 382:
- If we have taken numbers from 1, 2, 3…for checking factors of 382, we found that 382 has factors 1, 2, 191 and 382. Hence, we must say that 382 is a composite number.
- Thus, 382 is the composite umber.
- If we multiply 382 by 1, 2, 3 then we get the multiples of 382 which are 382, 764 and so on.
About the number 382:
- 382 has more than two factors which are 1, 2, 191 and 382 and hence it is the composite number.
- 382 is the even composite number and it is not the perfect square also.
- If we divide 382 by 1, 2, 191 and 382 then we get remainder as zero. Hence,1, 2, 191 and 382 are the factors of 382.
Note:
- 382 is not the perfect square.
- Factors of 382:1, 2, 191 and 382
- Prime factors of 382: 2, 191
Conclusion:
- 382 is the composite number which has factors 1, 2, 191
- And hence, 382 is not the prime number.
Multiple Choice Questions:
1) 382 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 382 are
a) 2
b) 2, 191
c) 1 and 382
d) 1, 2, 191 and 382
Ans: c) 1 and 382
3) 382 is the even composite number because
a) It has two factors
b) More than two factors
c) Divisible by 2
d) Both b and c
Ans: d) both b and c