Is 3681 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 3681 is composite or not first we have to find its factors.
Contents
Factors of 3681:
- If we have taken numbers from 1, 2, 3…for checking factors of 3681, we found that 3681 has factors 1, 3, 9, 409, 1227 and 3681. Hence, we must say that 3681 is a composite number.
- Thus, 3681 is the composite number.
- If we multiply 3681 by 1, 2, 3 then we get the multiples of 3681 which are 3681, 7362 and so on.
3681 is a Composite number or Prime number
About the number 3681:
- 3681 has more than two factors which are 1, 3, 9, 409, 1227 and 3681 and hence it is the composite number.
- 3681 is the odd composite number and it is not the perfect square also.
- If we divide 3681 by 1, 3, 9, 409, 1227 and 3681 then we get remainder as zero. Hence 1, 3, 9, 409, 1227 and 3681 are the factors of 3681
Note:
- 3681 is not the perfect square.
- Factors of 3681:1, 3, 9, 409, 1227 and 3681
- Prime factors of 3681: 3, 409
Conclusion:
- 3681 is the composite number which has factors 1, 3, 9, 409, 1227 and 3681.
- And hence, 3681 is not the prime number.
Multiple Choice Questions:
1) 3681 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 3681 are
a) 1
b) 3, 409
c) 1, 3, 9, 409, 1227 and 3681
d) 1, 9, 1227 and 3681
Ans: d) 1, 9, 1227 and 3681
3) 3681 is the odd composite number because
a) It has factors 1, 3, 9, 409, 1227 and 3681
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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