Is 2771 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 2771 is composite or not first we have to find its factors.
Contents
Factors of 2771:
- If we have taken numbers from 1, 2, 3…for checking factors of 2771, we found that 2771 has factors 1, 17, 163 and 2771. Hence, we must say that 2771 is a composite number.
- Thus, 2771 is the composite number.
- If we multiply 2771 by 1, 2, 3 then we get the multiples of 2771 which are 2771, 5542 and so on.
2771 is a Composite number or Prime number
About the number 2771:
- 2771 has more than two factors which are 1, 17, 163 and 2771 and hence it is the composite number.
- 2771 is the odd composite number and it is not the perfect square also.
- If we divide 2771 by 1, 17, 163 and 2771 then we get remainder as zero. Hence 1, 17, 163 and 2771 are the factors of 2771
Note:
- 2771 is not the perfect square.
- Factors of 2771: 1, 17, 163 and 2771
- Prime factors of 2771: 17, 163
Conclusion:
- 2771 is the composite number which has factors 1, 17, 163 and 2771.
- And hence, 2771 is not the prime number.
Multiple Choice Questions:
1) 2771 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 2771 are
a) 1
b) 17, 163
c) 1, 17, 163 and 2771
d) 1 and 2771
Ans: d) 1 and 2771
3) 2771 is the odd composite number because
a) It has factors 1, 17, 163 and 2771
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all