Is 2575 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 2575 is composite or not first we have to find its factors.
Contents
Factors of 2575:
- If we have taken numbers from 1, 2, 3…for checking factors of 2575, we found that 2575 has factors 1, 5, 25, 103, 515 and 2575. Hence, we must say that 2575 is a composite number.
- Thus, 2575 is the composite number.
- If we multiply 2575 by 1, 2, 3 then we get the multiples of 2575 which are 2575, 5150 and so on.
2575 is a Composite number or Prime number
About the number 2575:
- 2575 has more than two factors which are 1, 5, 25, 103, 515 and 2575 and hence it is the composite number.
- 2575 is the odd composite number and it is not the perfect square also.
- If we divide 2575 by 1, 5, 25, 103, 515 and 2575 then we get remainder as zero. Hence 1, 5, 25, 103, 515 and 2575 are the factors of 2575
Note:
- 2575 is not the perfect square.
- Factors of 2575: 1, 5, 25, 103, 515 and 2575
- Prime factors of 2575: 5, 103
Conclusion:
- 2575 is the composite number which has factors 1, 5, 25, 103, 515 and 2575.
- And hence, 2575 is not the prime number.
Multiple Choice Questions:
1) 2575 is a
a) odd number
b) Prime number
c) Composite number
d) Both a and c
Ans: d) both a and c
2) The prime factors of a composite number 2575 are
a) 1
b) 5, 103
c) 1 and 2575
d) 1, 5, 25, 103, 515 and 2575
Ans: b) 5, 103
3) 2575 is the composite number because
a) It has factors 1, 5, 25, 103, 515 and 2575
b) It has more than two factors
c) It is not divisible by 2
d) Both a and b
Ans: d) both a and b