Is 4125 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 4125 is composite or not first we have to find its factors.
Contents
Factors of 4125:
- If we have taken numbers from 1, 2, 3…for checking factors of 4125, we found that 4125 has factors 1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375 and 4125. Hence, we must say that 4125 is a composite number.
- Thus, 4125 is the composite number.
- If we multiply 4125 by 1, 2, 3 then we get the multiples of 4125 which are 4125, 8250 and so on.
4125 is a Composite number or Prime number
About the number 4125:
- 4125 has more than two factors which are 1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375 and 4125 and hence it is the composite number.
- 4125 is the odd composite number and it is not the perfect square also.
- If we divide 4125 by 1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375 and 4125 then we get remainder as zero. Hence 1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375 and 4125 are the factors of 4125
Note:
- 4125 is not the perfect square.
- Factors of 4125:1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375 and 4125
- Prime factors of 4125: 3, 5, 11
Conclusion:
- 4125 is the composite number which has factors 1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375 and 4125.
- And hence, 4125 is not the prime number.
Multiple Choice Questions:
1) 4125 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 4125 are
a) 1
b) 3, 5, 11
c) 1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375 and 4125
d) 1, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375 and 4125
Ans: d) 1, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375 and 4125
3) 4125 is the odd composite number because
a) It has factors 1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375 and 4125
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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