Is 2813 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 2813 is composite or not first we have to find its factors.
Contents
Factors of 2813:
- If we have taken numbers from 1, 2, 3…for checking factors of 2813, we found that 2813 has factors 1, 29, 97 and 2813. Hence, we must say that 2813 is a composite number.
- Thus, 2813 is the composite number.
- If we multiply 2813 by 1, 2, 3 then we get the multiples of 2813 which are 2813, 5626 and so on.
2813 is a Composite number or Prime number
About the number 2813:
- 2813 has more than two factors which are 1, 29, 97 and 2813 and hence it is the composite number.
- 2813 is the odd composite number and it is not the perfect square also.
- If we divide 2813 by 1, 29, 97 and 2813 then we get remainder as zero. Hence 1, 29, 97 and 2813 are the factors of 2813
Note:
- 2813 is not the perfect square.
- Factors of 2813: 1, 29, 97 and 2813
- Prime factors of 2813: 29, 97
Conclusion:
- 2813 is the composite number which has factors 1, 29, 97 and 2813.
- And hence, 2813 is not the prime number.
Multiple Choice Questions:
1) 2813 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 2813 are
a) 1
b) 29, 97
c) 1, 29, 97 and 2813
d) 1 and 2813
Ans: d) 1 and 2813
3) 2813 is the odd composite number because
a) It has factors 1, 29, 97 and 2813
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all