Is 2511 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 2511 is composite or not first we have to find its factors.
Contents
Factors of 2511:
- If we have taken numbers from 1, 2, 3…for checking factors of 2511, we found that 2511 has factors 1, 3, 9, 27, 31, 81, 93, 279, 837 and 2511. Hence, we must say that 2511 is a composite number.
- Thus, 2511 is the composite number.
- If we multiply 2511 by 1, 2, 3 then we get the multiples of 2511 which are 2511, 5022 and so on.
2511 is a Composite number or Prime number
About the number 2511:
- 2511 has more than two factors which are 1, 3, 9, 27, 31, 81, 93, 279, 837 and 2511 and hence it is the composite number.
- 2511 is the odd composite number and it is not the perfect square also.
- If we divide 2511 by 1, 3, 9, 27, 31, 81, 93, 279, 837 and 2511 then we get remainder as zero. Hence 1, 3, 9, 27, 31, 81, 93, 279, 837 and 2511 are the factors of 2511
Note:
- 2511 is not the perfect square.
- Factors of 2511: 1, 3, 9, 27, 31, 81, 93, 279, 837 and 2511
- Prime factors of 2511: 3, 31
Conclusion:
- 2511 is the composite number which has factors 1, 3, 9, 27, 31, 81, 93, 279, 837 and 2511.
- And hence, 2511 is not the prime number.
Multiple Choice Questions:
1) 2511 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 2511 are
a) 1
b) 3, 31
c) 1 and 2511
d) 1, 3, 9, 27, 31, 81, 93, 279, 837 and 2511
Ans: b) 3, 31
3) 2511 is the composite number because
a) It has factors 1, 3, 9, 27, 31, 81, 93, 279, 837 and 2511
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