Is 2810 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 2810 is composite or not first we have to find its factors.
Contents
Factors of 2810:
- If we have taken numbers from 1, 2, 3…for checking factors of 2810, we found that 2810 has factors 1, 2, 5, 10, 281, 562, 1405 and 2810. Hence, we must say that 2810 is a composite number.
- Thus, 2810 is the composite number.
- If we multiply 2810 by 1, 2, 3 then we get the multiples of 2810 which are 2810, 5620 and so on.
About the number 2810:
- 2810 has more than two factors which are 1, 2, 5, 10, 281, 562, 1405 and 2810 and hence it is the composite number.
- 2810 is the even composite number and it is not the perfect square also.
- If we divide 2810 by, 1, 2, 5, 10, 281, 562, 1405 and 2810 then we get remainder as zero. Hence, 1, 2, 5, 10, 281, 562, 1405 and 2810 are the factors of 2810.
Note:
- 2810 is not the perfect square.
- Factors of 2810: 1, 2, 5, 10, 281, 562, 1405 and 2810
- Prime factors of 2810: 2, 5, 281
Conclusion:
- 2810 is the composite number which has factors, 1, 2, 5, 10, 281, 562, 1405 and 2810
- And hence, 2810 is not the prime number.
Multiple Choice Questions:
1) 2810 is a
a) Prime number
b) Odd number
c) Composite number
d) Both a and c
Ans: c) composite number
2) The composite factors of a composite number 2810 are
a) 2810
b) 2, 5, 281
c) 10, 562, 1405 and 2810
d) 1, 2, 5, 10, 281, 562, 1405 and 2810
Ans: c) 10, 562, 1405 and 2810
3) 2810 is even composite number because
a) It has factors 1, 2, 5, 10, 281, 562, 1405 and 2810
b) It has only two factors
c) Divisible by 2
d) Both a and c
Ans: d) both a and c