Is 4389 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 4389 is composite or not first we have to find its factors.
Contents
Factors of 4389:
- If we have taken numbers from 1, 2, 3…for checking factors of 4389, we found that 4389 has factors 1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463 and 4389. Hence, we must say that 4389 is a composite number.
- Thus, 4389 is the composite number.
- If we multiply 4389 by 1, 2, 3 then we get the multiples of 4389 which are 4389, 8778 and so on.
4389 is a Composite number or Prime number
About the number 4389:
- 4389 has more than two factors which are 1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463 and 4389 and hence it is the composite number.
- 4389 is the odd composite number and it is not the perfect square also.
- If we divide 4389 by 1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463 and 4389 then we get remainder as zero. Hence 1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463 and 4389 are the factors of 4389
Note:
- 4389 is not the perfect square.
- Factors of 4389:1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463 and 4389
- Prime factors of 4389: 3, 7, 11, 19
Conclusion:
- 4389 is the composite number which has factors 1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463 and 4389.
- And hence, 4389 is not the prime number.
Multiple Choice Questions:
1) 4389 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 4389 are
a) 1
b) 3, 7, 11, 19
c) 1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463 and 4389
d) 1, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463 and 4389
Ans: d)1, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463 and 4389
3) 4389 is the odd composite number because
a) It has factors 1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463 and 4389
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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