Is 3405 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 3405 is composite or not first we have to find its factors.
Contents
Factors of 3405:
- If we have taken numbers from 1, 2, 3…for checking factors of 3405, we found that 3405 has factors 1, 3, 5, 15, 227, 681, 1135 and 3405. Hence, we must say that 3405 is a composite number.
- Thus, 3405 is the composite number.
- If we multiply 3405 by 1, 2, 3 then we get the multiples of 3405 which are 3405, 6810 and so on.
3405 is a Composite number or Prime number
About the number 3405:
- 3405 has more than two factors which are 1, 3, 5, 15, 227, 681, 1135 and 3405 and hence it is the composite number.
- 3405 is the odd composite number and it is not the perfect square also.
- If we divide 3405 by 1, 3, 5, 15, 227, 681, 1135 and 3405 then we get remainder as zero. Hence 1, 3, 5, 15, 227, 681, 1135 and 3405 are the factors of 3405
Note:
- 3405 is not the perfect square.
- Factors of 3405: 1, 3, 5, 15, 227, 681, 1135 and 3405
- Prime factors of 3405:3, 5, 227
Conclusion:
- 3405 is the composite number which has factors 1, 3, 5, 15, 227, 681, 1135 and 3405.
- And hence, 3405 is not the prime number.
Multiple Choice Questions:
1) 3405 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 3405 are
a) 1
b) 3, 5, 227
c) 1, 3, 5, 15, 227, 681, 1135 and 3405
d) 1 and 3405
Ans: d) 1 and 3405
3) 3405 is the odd composite number because
a) It has factors 1, 3, 5, 15, 227, 681, 1135 and 3405
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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