Is 3205 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 3205 is composite or not first we have to find its factors.
Contents
Factors of 3205:
- If we have taken numbers from 1, 2, 3…for checking factors of 3205, we found that 3205 has factors 1, 5, 641 and 3205. Hence, we must say that 3205 is a composite number.
- Thus, 3205 is the composite number.
- If we multiply 3205 by 1, 2, 3 then we get the multiples of 3205 which are 3205, 6410 and so on.
3205 is a Composite number or Prime number
About the number 3205:
- 3205 has more than two factors which are 1, 5, 641 and 3205 and hence it is the composite number.
- 3205 is the odd composite number and it is not the perfect square also.
- If we divide 3205 by 1, 5, 641 and 3205 then we get remainder as zero. Hence 1, 5, 641 and 3205 are the factors of 3205
Note:
- 3205 is not the perfect square.
- Factors of 3205: 1, 5, 641 and 3205
- Prime factors of 3205: 5, 641
Conclusion:
- 3205 is the composite number which has factors 1, 5, 641 and 3205.
- And hence, 3205 is not the prime number.
Multiple Choice Questions:
1) 3205 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 3205 are
a) 1
b) 5, 641
c) 1, 5, 641 and 3205
d) 1 and 3205
Ans: d) 1 and 3205
3) 3205 is the odd composite number because
a) It has factors 1, 5, 641 and 3205
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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