Is 4390 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 4390 is composite or not first we have to find its factors.
Contents
Factors of 4390:
- If we have taken numbers from 1, 2, 3…for checking factors of 4390 we found that 4390 has factors 1, 2, 5, 10, 439, 878, 2195 and 4390. Hence, we must say that 4390 is a composite number.
- Thus, 4390 is the composite number.
- If we multiply 4390 by 1, 2, 3 then we get the multiples of 4390 which are 4390, 8780 and so on.
About the number 4390:
- 4390 has more than two factors which are 1, 2, 5, 10, 439, 878, 2195 and 4390 and hence it is the composite number.
- 4390 is the even composite number and it is not the perfect square also.
- If we divide 4390 by, 1, 2, 5, 10, 439, 878, 2195 and 4390 then we get remainder as zero. Hence, 1, 2, 5, 10, 439, 878, 2195 and 4390 are the factors of 4390.
Note:
- 4390 is not the perfect square.
- Factors of 4390: 1, 2, 5, 10, 439, 878, 2195 and 4390
- Prime factors of 4390: 2, 5, 439
Conclusion:
- 4390 is the composite number which has factors, 1, 2, 5, 10, 439, 878, 2195 and 4390
- And hence, 4390 is not the prime number.
Multiple Choice Questions:
1) 4390 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 4390 are
a) 4390
b) 2, 5, 439
c) 10, 878, 2195 and 4390
d) 1, 2, 5, 10, 439, 878, 2195 and 4390
Ans: c) 10, 878, 2195 and 4390
3) 4390 is composite number because
a) It has factors 1, 2, 5, 10, 439, 878, 2195 and 4390
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b