Is 316 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 316 is composite or not first we have to find its factors.
Contents
Factors of 316:
- If we have taken numbers from 1, 2, 3…for checking factors of 316, we found that 316 has factors 1, 2, 4, 79, 158 and 316. Hence, we must say that 316 is a composite number.
- Thus, 316 is the composite umber.
- If we multiply 316 by 1, 2, 3 then we get the multiples of 316 which are 316, 632 and so on.
About the number 316:
- 316 has more than two factors which are 1, 2, 4, 79, 158 and 316 and hence it is the composite number.
- 316 is the even composite number and it is not the perfect square also.
- If we divide 316 by 1, 2, 4, 79, 158 and 316 then we get remainder as zero. Hence, 1, 2, 4, 79, 158 and 316 are the factors of 316.
Note:
- 316 is not the perfect square.
- Factors of 316: 1, 2, 4, 79, 158 and 316
- Prime factors of 316: 2, 79
Conclusion:
- 316 is the composite number which has factors1, 2, 4, 79, 158 and 316
- And hence, 316 is not the prime number.
Multiple Choice Questions:
1) 316 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 316 are
a) 2
b) 2, 79
c) 157
d) 1, 2, 4, 79, 158 and 316
Ans: b) 2, 79
3) 316 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