Is 3728 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 3728 is composite or not first we have to find its factors.
Contents
Factors of 3728:
- If we have taken numbers from 1, 2, 3…for checking factors of 3728, we found that 3728 has factors 1, 2, 4, 8, 16, 233, 466, 932, 1864 and 3728. Hence, we must say that 3728 is a composite number.
- Thus, 3728 is the composite number.
- If we multiply 3728 by 1, 2, 3 then we get the multiples of 3728 which are 3728, 7456 and so on.
About the number 3728:
- 3728 has more than two factors which are 1, 2, 4, 8, 16, 233, 466, 932, 1864 and 3728 and hence it is the composite number.
- 3728 is the even composite number and it is not the perfect square also.
- If we divide 3728 by, 1, 2, 4, 8, 16, 233, 466, 932, 1864 and 3728 then we get remainder as zero. Hence, 1, 2, 4, 8, 16, 233, 466, 932, 1864 and 3728 are the factors of 3728.
Note:
- 3728 is not the perfect square.
- Factors of 3728: 1, 2, 4, 8, 16, 233, 466, 932, 1864 and 3728
- Prime factors of 3728: 2, 233
Conclusion:
- 3728 is the composite number which has factors, 1, 2, 4, 8, 16, 233, 466, 932, 1864 and 3728
- And hence, 3728 is not the prime number.
Multiple Choice Questions:
1) 3728 is a
a) Prime number
b) Odd number
c) Composite number
d) Both b and c
Ans: c) composite number
2) The prime factors of a composite number 3728 are
a) 3728
b) 2, 233
c) 4, 8, 16, 466, 932, 1864 and 3728
d) 1, 2, 4, 8, 16, 233, 466, 932, 1864 and 3728
Ans: b) 2, 233
3) 3728 is even composite number because
a) It has factors 1, 2, 4, 8, 16, 233, 466, 932, 1864 and 3728
b) It has more than two factors
c) Divisible by 2
d) all
Ans: d) all