Is 4912 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 4912 is composite or not first we have to find its factors.
Contents
Factors of 4912:
- If we have taken numbers from 1, 2, 3…for checking factors of 4912 we found that 4912 has factors 1, 2, 4, 8, 16, 307, 614, 1228, 2456 and 4912. Hence, we must say that 4912 is a composite number.
- Thus, 4912 is the composite number.
- If we multiply 4912 by 1, 2, 3 then we get the multiples of 4912 which are 4912, 9824 and so on.
About the number 4912:
- 4912 has more than two factors which are 1, 2, 4, 8, 16, 307, 614, 1228, 2456 and 4912 and hence it is the composite number.
- 4912 is the even composite number and it is not the perfect square also.
- If we divide 4912 by, 1, 2, 4, 8, 16, 307, 614, 1228, 2456 and 4912 then we get remainder as zero. Hence, 1, 2, 4, 8, 16, 307, 614, 1228, 2456 and 4912 are the factors of 4912.
Note:
- 4912 is not the perfect square.
- Factors of 4912: 1, 2, 4, 8, 16, 307, 614, 1228, 2456 and 4912
- Prime factors of 4912: 2, 307
Conclusion:
- 4912 is the composite number which has factors, 1, 2, 4, 8, 16, 307, 614, 1228, 2456 and 4912
- And hence, 4912 is not the prime number.
Multiple Choice Questions:
1) 4912 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 4912 are
a) 4912
b) 2, 307
c) 4, 8, 16, 614, 1228, 2456 and 4912
d) 1, 2, 4, 8, 16, 307, 614, 1228, 2456 and 4912
Ans: b) 2, 307
3) 4912 is even composite number because
a) It has factors 1, 2, 4, 8, 16, 307, 614, 1228, 2456 and 4912
b) It has more than two factors
c) Divisible by 2
d) all
Ans: d) all