Is 2721 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 2721 is composite or not first we have to find its factors.
Contents
Factors of 2721:
- If we have taken numbers from 1, 2, 3…for checking factors of 2721, we found that 2721 has factors 1, 3, 907 and 2721. Hence, we must say that 2721 is a composite number.
- Thus, 2721 is the composite number.
- If we multiply 2721 by 1, 2, 3 then we get the multiples of 2721 which are 2721, 5442 and so on.
2721 is a Composite number or Prime number
About the number 2721:
- 2721 has more than two factors which are 1, 3, 907 and 2721 and hence it is the composite number.
- 2721 is the odd composite number and it is not the perfect square also.
- If we divide 2721 by 1, 3, 907 and 2721 then we get remainder as zero. Hence 1, 3, 907 and 2721 are the factors of 2721
Note:
- 2721 is not the perfect square.
- Factors of 2721: 1, 3, 907 and 2721
- Prime factors of 2721: 3, 907
Conclusion:
- 2721 is the composite number which has factors 1, 3, 907 and 2721.
- And hence, 2721 is not the prime number.
Multiple Choice Questions:
1) 2721 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 2721 are
a) 1
b) 3, 907
c) 1, 3, 907 and 2721
d) 1 and 2721
Ans: d) 1 and 2721
3) 2721 is the odd composite number because
a) It has factors 1, 3, 907 and 2721
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all