Is 4205 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 4205 is composite or not first we have to find its factors.
Contents
Factors of 4205:
- If we have taken numbers from 1, 2, 3…for checking factors of 4205, we found that 4205 has factors 1, 5, 29, 145, 841 and 4205. Hence, we must say that 4205 is a composite number.
- Thus, 4205 is the composite number.
- If we multiply 4205 by 1, 2, 3 then we get the multiples of 4205 which are 4205, 8410 and so on.
4205 is a Composite number or Prime number
About the number 4205:
- 4205 has more than two factors which are 1, 5, 29, 145, 841 and 4205 and hence it is the composite number.
- 4205 is the odd composite number and it is not the perfect square also.
- If we divide 4205 by 1, 5, 29, 145, 841 and 4205 then we get remainder as zero. Hence 1, 5, 29, 145, 841 and 4205 are the factors of 4205
Note:
- 4205 is not the perfect square.
- Factors of 4205:1, 5, 29, 145, 841 and 4205
- Prime factors of 4205: 5, 29
Conclusion:
- 4205 is the composite number which has factors 1, 5, 29, 145, 841 and 4205.
- And hence, 4205 is not the prime number.
Multiple Choice Questions:
1) 4205 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 4205 are
a) 1
b) 5, 29
c) 1, 5, 29, 145, 841 and 4205
d) 1, 145, 841 and 4205
Ans: d) 1, 145, 841 and 4205
3) 4205 is the odd composite number because
a) It has factors 1, 5, 29, 145, 841 and 4205
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
Why the below numbers are composite numbers
- Is 4203 a Composite number- Click Here
- Is 4199 a Composite number- Click Here