Is 2439 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 2439 is composite or not first we have to find its factors.
Contents
Factors of 2439:
- If we have taken numbers from 1, 2, 3…for checking factors of 2439, we found that 2439 has factors 1, 3, 9, 271, 813 and 2439. Hence, we must say that 2439 is a composite number.
- Thus, 2439 is the composite number.
- If we multiply 2439 by 1, 2, 3 then we get the multiples of 2439 which are 2439, 4878 and so on.
2439 is a Composite number or Prime number
About the number 2439:
- 2439 has more than two factors which are 1, 3, 9, 271, 813 and 2439 and hence it is the composite number.
- 2439 is the odd composite number and it is not the perfect square also.
- If we divide 2439 by 1, 3, 9, 271, 813 and 2439 then we get remainder as zero. Hence 1, 3, 9, 271, 813 and 2439 are the factors of 2439
Note:
- 2439 is not the perfect square.
- Factors of 2439: 1, 3, 9, 271, 813 and 2439
- Prime factors of 2439: 3, 271
Conclusion:
- 2439 is the composite number which has factors 1, 3, 9, 271, 813 and 2439.
- And hence, 2439 is not the prime number.
Multiple Choice Questions:
1) 2439 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 2439 are
a) 1
b) 3, 271
c) 1 and 2439
d) 1, 3, 9, 271, 813 and 2439
Ans: b) 3, 271
3) 2439 is the composite number because
a) It has factors 1, 3, 9, 271, 813 and 2439
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