Is 3081 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 3081 is composite or not first we have to find its factors.
Contents
Factors of 3081:
- If we have taken numbers from 1, 2, 3…for checking factors of 3081, we found that 3081 has factors 1, 3, 13, 39, 79, 237, 1027 and 3081. Hence, we must say that 3081 is a composite number.
- Thus, 3081 is the composite number.
- If we multiply 3081 by 1, 2, 3 then we get the multiples of 3081 which are 3081, 6162 and so on.
3081 is a Composite number or Prime number
About the number 3081:
- 3081 has more than two factors which are 1, 3, 13, 39, 79, 237, 1027 and 3081 and hence it is the composite number.
- 3081 is the odd composite number and it is not the perfect square also.
- If we divide 3081 by 1, 3, 13, 39, 79, 237, 1027 and 3081 then we get remainder as zero. Hence 1, 3, 13, 39, 79, 237, 1027 and 3081 are the factors of 3081
Note:
- 3081 is not the perfect square.
- Factors of 3081: 1, 3, 13, 39, 79, 237, 1027 and 3081
- Prime factors of 3081: 3, 13, 79
Conclusion:
- 3081 is the composite number which has factors 1, 3, 13, 39, 79, 237, 1027 and 3081.
- And hence, 3081 is not the prime number.
Multiple Choice Questions:
1) 3081 is a
a) odd number
b) Prime number
c) even number
d) Both a and c
Ans: a) odd number
2) The non-prime factors of a composite number 3081 are
a) 1
b) 3, 13, 79
c) 1, 3, 13, 39, 79, 237, 1027 and 3081
d) 1, 39, 237, 1027 and 3081
Ans: d) 1, 39, 237, 1027 and 3081
3) 3081 is the odd composite number because
a) It has factors 1, 3, 13, 39, 79, 237, 1027 and 3081
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all