Is 3085 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 3085 is composite or not first we have to find its factors.
Contents
Factors of 3085:
- If we have taken numbers from 1, 2, 3…for checking factors of 3085, we found that 3085 has factors 1, 5, 617 and 3085. Hence, we must say that 3085 is a composite number.
- Thus, 3085 is the composite number.
- If we multiply 3085 by 1, 2, 3 then we get the multiples of 3085 which are 3085, 6170 and so on.
3085 is a Composite number or Prime number
About the number 3085:
- 3085 has more than two factors which are 1, 5, 617 and 3085 and hence it is the composite number.
- 3085 is the odd composite number and it is not the perfect square also.
- If we divide 3085 by 1, 5, 617 and 3085 then we get remainder as zero. Hence 1, 5, 617 and 3085 are the factors of 3085
Note:
- 3085 is not the perfect square.
- Factors of 3085: 1, 5, 617 and 3085
- Prime factors of 3085: 5, 617
Conclusion:
- 3085 is the composite number which has factors 1, 5, 617 and 3085.
- And hence, 3085 is not the prime number.
Multiple Choice Questions:
1) 3085 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 3085 are
a) 1
b) 5, 617
c) 1, 5, 617 and 3085
d) 1 and 3085
Ans: d) 1 and 3085
3) 3085 is the odd composite number because
a) It has factors 1, 5, 617 and 3085
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all