Is 2875 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 2875 is composite or not first we have to find its factors.
Contents
Factors of 2875:
- If we have taken numbers from 1, 2, 3…for checking factors of 2875, we found that 2875 has factors 1, 5, 23, 25, 115, 125, 575 and 2875. Hence, we must say that 2875 is a composite number.
- Thus, 2875 is the composite number.
- If we multiply 2875 by 1, 2, 3 then we get the multiples of 2875 which are 2875, 5750 and so on.
2875 is a Composite number or Prime number
About the number 2875:
- 2875 has more than two factors which are 1, 5, 23, 25, 115, 125, 575 and 2875 and hence it is the composite number.
- 2875 is the odd composite number and it is not the perfect square also.
- If we divide 2875 by 1, 5, 23, 25, 115, 125, 575 and 2875 then we get remainder as zero. Hence 1, 5, 23, 25, 115, 125, 575 and 2875 are the factors of 2875
Note:
- 2875 is not the perfect square.
- Factors of 2875: 1, 5, 23, 25, 115, 125, 575 and 2875
- Prime factors of 2875: 5, 23
Conclusion:
- 2875 is the composite number which has factors 1, 5, 23, 25, 115, 125, 575 and 2875.
- And hence, 2875 is not the prime number.
Multiple Choice Questions:
1) 2875 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 2875 are
a) 1
b) 5, 23
c) 1, 5, 23, 25, 115, 125, 575 and 2875
d) 1, 25, 115, 125, 575 and 2875
Ans: d) 1, 25, 115, 125, 575 and 2875
3) 2875 is the odd composite number because
a) It has factors 1, 5, 23, 25, 115, 125, 575 and 2875
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all