Is 4238 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 4238 is composite or not first we have to find its factors.
Contents
Factors of 4238:
- If we have taken numbers from 1, 2, 3…for checking factors of 4238 we found that 4238 has factors 1, 2, 13, 26, 163, 326, 2119 and 4238. Hence, we must say that 4238 is a composite number.
- Thus, 4238 is the composite number.
- If we multiply 4238 by 1, 2, 3 then we get the multiples of 4238 which are 4238, 8476 and so on.
About the number 4238:
- 4238 has more than two factors which are 1, 2, 13, 26, 163, 326, 2119 and 4238 and hence it is the composite number.
- 4238 is the even composite number and it is not the perfect square also.
- If we divide 4238 by, 1, 2, 13, 26, 163, 326, 2119 and 4238 then we get remainder as zero. Hence, 1, 2, 13, 26, 163, 326, 2119 and 4238 are the factors of 4238.
Note:
- 4238 is not the perfect square.
- Factors of 4238: 1, 2, 13, 26, 163, 326, 2119 and 4238
- Prime factors of 4238: 2, 13, 163
Conclusion:
- 4238 is the composite number which has factors, 1, 2, 13, 26, 163, 326, 2119 and 4238
- And hence, 4238 is not the prime number.
Multiple Choice Questions:
1) 4238 is a
a) Prime number
b) Even number
c) Composite number
d) Both b and c
Ans: d) both b and c
2) The composite factors of a composite number 4238 are
a) 4238
b) 2, 13, 163
c) 26, 326, 2119 and 4238
d) 1, 2, 13, 26, 163, 326, 2119 and 4238
Ans: c) 26, 326, 2119 and 4238
3) 4238 is composite number because
a) It has factors 1, 2, 13, 26, 163, 326, 2119 and 4238
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b