Is 2125 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 2125 is composite or not first we have to find its factors.
Contents
Factors of 2125:
- If we have taken numbers from 1, 2, 3…for checking factors of 2125, we found that 2125 has factors 1, 5, 17, 25, 85, 125, 425 and 2125. Hence, we must say that 2125 is a composite number.
- Thus, 2125 is the composite number.
- If we multiply 2125 by 1, 2, 3 then we get the multiples of 2125 which are 2125, 4250 and so on.
2125 is a Composite number or Prime number
About the number 2125:
- 2125 has more than two factors which are 1, 5, 17, 25, 85, 125, 425 and 2125 and hence it is the composite number.
- 2125 is the odd composite number and it is not the perfect square also.
- If we divide 2125 by 1, 5, 17, 25, 85, 125, 425 and 2125 then we get remainder as zero. Hence, 1, 5, 17, 25, 85, 125, 425 and 2125 are the factors of 2125
Note:
- 2125 is not the perfect square.
- Factors of 2125: 1, 5, 17, 25, 85, 125, 425 and 2125
- Prime factors of 2125: 5, 17
Conclusion:
- 2125 is the composite number which has factors 1, 5, 17, 25, 85, 125, 425 and 2125.
- And hence, 2125 is not the prime number.
Multiple Choice Questions:
1) 2125 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 2125 are
a) 1
b) 5, 17
c) 1 and 2125
d) 1, 5, 17, 25, 85, 125, 425 and 2125
Ans: b) 5, 17
3) 2125 is the composite number because
a) It has factors 1, 5, 17, 25, 85, 125, 425 and 2125
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