Is 2889 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 2889 is composite or not first we have to find its factors.
Contents
Factors of 2889:
- If we have taken numbers from 1, 2, 3…for checking factors of 2889, we found that 2889 has factors 1, 3, 9, 27, 107, 321, 963 and 2889. Hence, we must say that 2889 is a composite number.
- Thus, 2889 is the composite number.
- If we multiply 2889 by 1, 2, 3 then we get the multiples of 2889 which are 2889, 5778 and so on.
2889 is a Composite number or Prime number
About the number 2889:
- 2889 has more than two factors which are 1, 3, 9, 27, 107, 321, 963 and 2889 and hence it is the composite number.
- 2889 is the odd composite number and it is not the perfect square also.
- If we divide 2889 by 1, 3, 9, 27, 107, 321, 963 and 2889 then we get remainder as zero. Hence 1, 3, 9, 27, 107, 321, 963 and 2889 are the factors of 2889
Note:
- 2889 is not the perfect square.
- Factors of 2889: 1, 3, 9, 27, 107, 321, 963 and 2889
- Prime factors of 2889: 3, 107
Conclusion:
- 2889 is the composite number which has factors 1, 3, 9, 27, 107, 321, 963 and 2889.
- And hence, 2889 is not the prime number.
Multiple Choice Questions:
1) 2889 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 2889 are
a) 1
b) 3, 107
c) 1, 3, 9, 27, 107, 321, 963 and 2889
d) 1, 9, 27, 321, 963 and 2889
Ans: d) 1, 9, 27, 321, 963 and 2889
3) 2889 is the odd composite number because
a) It has factors 1, 3, 9, 27, 107, 321, 963 and 2889
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all