Is 2825 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 2825 is composite or not first we have to find its factors.
Contents
Factors of 2825:
- If we have taken numbers from 1, 2, 3…for checking factors of 2825, we found that 2825 has factors 1, 5, 25, 113, 565 and 2825. Hence, we must say that 2825 is a composite number.
- Thus, 2825 is the composite number.
- If we multiply 2825 by 1, 2, 3 then we get the multiples of 2825 which are 2825, 5650 and so on.
2825 is a Composite number or Prime number
About the number 2825:
- 2825 has more than two factors which are 1, 5, 25, 113, 565 and 2825 and hence it is the composite number.
- 2825 is the odd composite number and it is not the perfect square also.
- If we divide 2825 by 1, 5, 25, 113, 565 and 2825 then we get remainder as zero. Hence 1, 5, 25, 113, 565 and 2825 are the factors of 2825
Note:
- 2825 is not the perfect square.
- Factors of 2825: 1, 5, 25, 113, 565 and 2825
- Prime factors of 2825: 5, 113
Conclusion:
- 2825 is the composite number which has factors 1, 5, 25, 113, 565 and 2825.
- And hence, 2825 is not the prime number.
Multiple Choice Questions:
1) 2825 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 2825 are
a) 1
b) 5, 113
c) 1, 5, 25, 113, 565 and 2825
d) 1, 25, 565 and 2825
Ans: d) 1, 25, 565 and 2825
3) 2825 is the odd composite number because
a) It has factors 1, 5, 25, 113, 565 and 2825
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all