Is 3189 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 3189 is composite or not first we have to find its factors.
Contents
Factors of 3189:
- If we have taken numbers from 1, 2, 3…for checking factors of 3189, we found that 3189 has factors 1, 3, 1063 and 3189. Hence, we must say that 3189 is a composite number.
- Thus, 3189 is the composite number.
- If we multiply 3189 by 1, 2, 3 then we get the multiples of 3189 which are 3189, 6378 and so on.
3189 is a Composite number or Prime number
About the number 3189:
- 3189 has more than two factors which are 1, 3, 1063 and 3189 and hence it is the composite number.
- 3189 is the odd composite number and it is not the perfect square also.
- If we divide 3189 by 1, 3, 1063 and 3189 then we get remainder as zero. Hence 1, 3, 1063 and 3189 are the factors of 3189
Note:
- 3189 is not the perfect square.
- Factors of 3189: 1, 3, 1063 and 3189
- Prime factors of 3189: 3, 1063
Conclusion:
- 3189 is the composite number which has factors 1, 3, 1063 and 3189.
- And hence, 3189 is not the prime number.
Multiple Choice Questions:
1) 3189 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 3189 are
a) 1
b) 3, 1063
c) 1, 3, 1063 and 3189
d) 1 and 3189
Ans: d) 1 and 3189
3) 3189 is the odd composite number because
a) It has factors 1, 3, 1063 and 3189
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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