Is 3321 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 3321 is composite or not first we have to find its factors.
Contents
Factors of 3321:
- If we have taken numbers from 1, 2, 3…for checking factors of 3321, we found that 3321 has factors 1, 3, 9, 27, 41, 81, 123, 369, 1107 and 3321. Hence, we must say that 3321 is a composite number.
- Thus, 3321 is the composite number.
- If we multiply 3321 by 1, 2, 3 then we get the multiples of 3321 which are 3321, 6642 and so on.
3321 is a Composite number or Prime number
About the number 3321:
- 3321 has more than two factors which are 1, 3, 9, 27, 41, 81, 123, 369, 1107 and 3321 and hence it is the composite number.
- 3321 is the odd composite number and it is not the perfect square also.
- If we divide 3321 by 1, 3, 9, 27, 41, 81, 123, 369, 1107 and 3321 then we get remainder as zero. Hence 1, 3, 9, 27, 41, 81, 123, 369, 1107 and 3321 are the factors of 3321
Note:
- 3321 is not the perfect square.
- Factors of 3321: 1, 3, 9, 27, 41, 81, 123, 369, 1107 and 3321
- Prime factors of 3321: 3, 41
Conclusion:
- 3321 is the composite number which has factors 1, 3, 9, 27, 41, 81, 123, 369, 1107 and 3321.
- And hence, 3321 is not the prime number.
Multiple Choice Questions:
1) 3321 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 3321 are
a) 1
b) 3, 41
c) 1, 3, 9, 27, 41, 81, 123, 369, 1107 and 3321
d) 1, 9, 27, 81, 123, 369, 1107 and 3321
Ans: d) 1, 9, 27, 81, 123, 369, 1107 and 3321
3) 3321 is the odd composite number because
a) It has factors 1, 3, 9, 27, 41, 81, 123, 369, 1107 and 3321
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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