Is 4689 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 4689 is composite or not first we have to find its factors.
Contents
Factors of 4689:
- If we have taken numbers from 1, 2, 3…for checking factors of 4689, we found that 4689 has factors 1, 3, 9, 521, 1563 and 4689. Hence, we must say that 4689 is a composite number.
- Thus, 4689 is the composite number.
- If we multiply 4689 by 1, 2, 3 then we get the multiples of 4689 which are 4689, 9378 and so on.
4689 is a Composite number or Prime number
About the number 4689:
- 4689 has more than two factors which are 1, 3, 9, 521, 1563 and 4689 and hence it is the composite number.
- 4689 is the odd composite number and it is not the perfect square also.
- If we divide 4689 by 1, 3, 9, 521, 1563 and 4689 then we get remainder as zero. Hence 1, 3, 9, 521, 1563 and 4689 are the factors of 4689.
Note:
- 4689 is not the perfect square.
- Factors of 4689:1, 3, 9, 521, 1563 and 4689
- Prime factors of 4689:3, 521
Conclusion:
- 4689 is the composite number which has factors 1, 3, 9, 521, 1563 and 4689.
- And hence, 4689 is not the prime number.
Multiple Choice Questions:
1) 4689 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 4689 are
a) 1
b) 3, 521
c) 1, 3, 9, 521, 1563 and 4689
d) 1, 9, 1563 and 4689
Ans: d) 1, 9, 1563 and 4689
3) 4689 is the odd composite number because
a) It has factors 1, 3, 9, 521, 1563 and 4689
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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