Is 4638 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 4638 is composite or not first we have to find its factors.
Contents
Factors of 4638:
- If we have taken numbers from 1, 2, 3…for checking factors of 4638 we found that 4638 has factors 1, 2, 3, 6, 773, 1546, 2319 and 4638. Hence, we must say that 4638 is a composite number.
- Thus, 4638 is the composite number.
- If we multiply 4638 by 1, 2, 3 then we get the multiples of 4638 which are 4638, 9276 and so on.
About the number 4638:
- 4638 has more than two factors which are 1, 2, 3, 6, 773, 1546, 2319 and 4638 and hence it is the composite number.
- 4638 is the even composite number and it is not the perfect square also.
- If we divide 4638 by, 1, 2, 3, 6, 773, 1546, 2319 and 4638 then we get remainder as zero. Hence, 1, 2, 3, 6, 773, 1546, 2319 and 4638 are the factors of 4638.
Note:
- 4638 is not the perfect square.
- Factors of 4638: 1, 2, 3, 6, 773, 1546, 2319 and 4638
- Prime factors of 4638: 2, 3, 773
Conclusion:
- 4638 is the composite number which has factors, 1, 2, 3, 6, 773, 1546, 2319 and 4638
- And hence, 4638 is not the prime number.
Multiple Choice Questions:
1) 4638 is a
a) Prime number
b) even number
c) even Composite number
d) Both a and c
Ans: c) even composite number
2) The prime factors of a composite number 4638 are
a) 4638
b) 2, 3, 773
c) 6, 1546, 2319 and 4638
d) 1, 2, 3, 6, 773, 1546, 2319 and 4638
Ans: b) 2, 3, 773
3) 4638 is even composite number because
a) It has factors 1, 2, 3, 6, 773, 1546, 2319 and 4638
b) It has more than two factors
c) Divisible by 2
d) all
Ans: d) all