Is 2547 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 2547 is composite or not first we have to find its factors.
Contents
Factors of 2547:
- If we have taken numbers from 1, 2, 3…for checking factors of 2547, we found that 2547 has factors 1, 3, 9, 283, 849 and 2547. Hence, we must say that 2547 is a composite number.
- Thus, 2547 is the composite number.
- If we multiply 2547 by 1, 2, 3 then we get the multiples of 2547 which are 2547, 5094 and so on.
2547 is a Composite number or Prime number
About the number 2547:
- 2547 has more than two factors which are 1, 3, 9, 283, 849 and 2547 and hence it is the composite number.
- 2547 is the odd composite number and it is not the perfect square also.
- If we divide 2547 by 1, 3, 9, 283, 849 and 2547 then we get remainder as zero. Hence 1, 3, 9, 283, 849 and 2547 are the factors of 2547
Note:
- 2547 is not the perfect square.
- Factors of 2547: 1, 3, 9, 283, 849 and 2547
- Prime factors of 2547: 3, 283
Conclusion:
- 2547 is the composite number which has factors 1, 3, 9, 283, 849 and 2547.
- And hence, 2547 is not the prime number.
Multiple Choice Questions:
1) 2547 is a
a) odd number
b) Prime number
c) Composite number
d) Both a and c
Ans: d) both a and c
2) The prime factors of a composite number 2547 are
a) 1
b) 3, 283
c) 1 and 2547
d) 1, 3, 9, 283, 849 and 2547
Ans: b) 3, 283
3) 2547 is the composite number because
a) It has factors 1, 3, 9, 283, 849 and 2547
b) It has more than two factors
c) It is not divisible by 2
d) Both a and b
Ans: d) both a and b