Is 3281 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 3281 is composite or not first we have to find its factors.
Contents
Factors of 3281:
- If we have taken numbers from 1, 2, 3…for checking factors of 3281, we found that 3281 has factors 1, 17, 193 and 3281. Hence, we must say that 3281 is a composite number.
- Thus, 3281 is the composite number.
- If we multiply 3281 by 1, 2, 3 then we get the multiples of 3281 which are 3281, 6562 and so on.
3281 is a Composite number or Prime number
About the number 3281:
- 3281 has more than two factors which are 1, 17, 193 and 3281 and hence it is the composite number.
- 3281 is the odd composite number and it is not the perfect square also.
- If we divide 3281 by 1, 17, 193 and 3281 then we get remainder as zero. Hence 1, 17, 193 and 3281 are the factors of 3281
Note:
- 3281 is not the perfect square.
- Factors of 3281: 1, 17, 193 and 3281
- Prime factors of 3281: 17, 193
Conclusion:
- 3281 is the composite number which has factors 1, 17, 193 and 3281.
- And hence, 3281 is not the prime number.
Multiple Choice Questions:
1) 3281 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 3281 are
a) 1
b) 17, 193
c) 1, 17, 193 and 3281
d) 1 and 3281
Ans: d) 1 and 3281
3) 3281 is the odd composite number because
a) It has factors 1, 17, 193 and 3281
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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