Is 4025 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 4025 is composite or not first we have to find its factors.
Contents
Factors of 4025:
- If we have taken numbers from 1, 2, 3…for checking factors of 4025, we found that 4025 has factors 1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805 and 4025. Hence, we must say that 4025 is a composite number.
- Thus, 4025 is the composite number.
- If we multiply 4025 by 1, 2, 3 then we get the multiples of 4025 which are 4025, 8050 and so on.
4025 is a Composite number or Prime number
About the number 4025:
- 4025 has more than two factors which are 1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805 and 4025 and hence it is the composite number.
- 4025 is the odd composite number and it is not the perfect square also.
- If we divide 4025 by 1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805 and 4025 then we get remainder as zero. Hence 1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805 and 4025 are the factors of 4025
Note:
- 4025 is not the perfect square.
- Factors of 4025:1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805 and 4025
- Prime factors of 4025: 5, 7, 23
Conclusion:
- 4025 is the composite number which has factors 1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805 and 4025.
- And hence, 4025 is not the prime number.
Multiple Choice Questions:
1) 4025 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 4025 are
a) 1
b) 5, 7, 23
c) 1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805 and 4025
d) 1, 25, 35, 115, 161, 175, 575, 805 and 4025
Ans: d)1, 25, 35, 115, 161, 175, 575, 805 and 4025
3) 4025 is the odd composite number because
a) It has factors 1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805 and 4025
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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