Is 4123 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 4123 is composite or not first we have to find its factors.
Contents
Factors of 4123:
- If we have taken numbers from 1, 2, 3…for checking factors of 4123, we found that 4123 has factors 1, 7, 19, 31, 133, 217, 589 and 4123. Hence, we must say that 4123 is a composite number.
- Thus, 4123 is the composite number.
- If we multiply 4123 by 1, 2, 3 then we get the multiples of 4123 which are 4123, 8246 and so on.
4123 is a Composite number or Prime number
About the number 4123:
- 4123 has more than two factors which are 1, 7, 19, 31, 133, 217, 589 and 4123 and hence it is the composite number.
- 4123 is the odd composite number and it is not the perfect square also.
- If we divide 4123 by 1, 7, 19, 31, 133, 217, 589 and 4123 then we get remainder as zero. Hence 1, 7, 19, 31, 133, 217, 589 and 4123 are the factors of 4123
Note:
- 4123 is not the perfect square.
- Factors of 4123:1, 7, 19, 31, 133, 217, 589 and 4123
- Prime factors of 4123: 7, 19, 31
Conclusion:
- 4123 is the composite number which has factors 1, 7, 19, 31, 133, 217, 589 and 4123.
- And hence, 4123 is not the prime number.
Multiple Choice Questions:
1) 4123 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 4123 are
a) 1
b) 7, 19, 31
c) 1, 7, 19, 31, 133, 217, 589 and 4123
d) 1, 133, 217, 589 and 4123
Ans: d) 1, 133, 217, 589 and 4123
3) 4123 is the odd composite number because
a) It has factors 1, 7, 19, 31, 133, 217, 589 and 4123
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 4121 a Composite number- Click Here
- Is 4119 a Composite number- Click Here