Is 2847 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 2847 is composite or not first we have to find its factors.
Contents
Factors of 2847:
- If we have taken numbers from 1, 2, 3…for checking factors of 2847, we found that 2847 has factors 1, 3, 13, 39, 73, 219, 949 and 2847. Hence, we must say that 2847 is a composite number.
- Thus, 2847 is the composite number.
- If we multiply 2847 by 1, 2, 3 then we get the multiples of 2847 which are 2847, 5694 and so on.
2847 is a Composite number or Prime number
About the number 2847:
- 2847 has more than two factors which are 1, 3, 13, 39, 73, 219, 949 and 2847 and hence it is the composite number.
- 2847 is the odd composite number and it is not the perfect square also.
- If we divide 2847 by 1, 3, 13, 39, 73, 219, 949 and 2847 then we get remainder as zero. Hence 1, 3, 13, 39, 73, 219, 949 and 2847 are the factors of 2847
Note:
- 2847 is not the perfect square.
- Factors of 2847: 1, 3, 13, 39, 73, 219, 949 and 2847
- Prime factors of 2847: 3, 13, 73
Conclusion:
- 2847 is the composite number which has factors 1, 3, 13, 39, 73, 219, 949 and 2847.
- And hence, 2847 is not the prime number.
Multiple Choice Questions:
1) 2847 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 2847 are
a) 1
b) 3, 13, 73
c) 1, 3, 13, 39, 73, 219, 949 and 2847
d) 1, 39, 219, 949 and 2847
Ans: d) 1, 39, 219, 949 and 2847
3) 2847 is the odd composite number because
a) It has factors 1, 3, 13, 39, 73, 219, 949 and 2847
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all