Is 4145 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 4145 is composite or not first we have to find its factors.
Contents
Factors of 4145:
- If we have taken numbers from 1, 2, 3…for checking factors of 4145, we found that 4145 has factors 1, 5, 829 and 4145. Hence, we must say that 4145 is a composite number.
- Thus, 4145 is the composite number.
- If we multiply 4145 by 1, 2, 3 then we get the multiples of 4145 which are 4145, 8290 and so on.
4145 is a Composite number or Prime number
About the number 4145:
- 4145 has more than two factors which are 1, 5, 829 and 4145 and hence it is the composite number.
- 4145 is the odd composite number and it is not the perfect square also.
- If we divide 4145 by 1, 5, 829 and 4145 then we get remainder as zero. Hence 1, 5, 829 and 4145 are the factors of 4145
Note:
- 4145 is not the perfect square.
- Factors of 4145:1, 5, 829 and 4145
- Prime factors of 4145: 5, 829
Conclusion:
- 4145 is the composite number which has factors 1, 5, 829 and 4145.
- And hence, 4145 is not the prime number.
Multiple Choice Questions:
1) 4145 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 4145 are
a) 1
b) 5, 829
c) 1, 5, 829 and 4145
d) 1 and 4145
Ans: d) 1 and 4145
3) 4145 is the odd composite number because
a) It has factors 1, 5, 829 and 4145
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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