Is 3628 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 3628 is composite or not first we have to find its factors.
Contents
Factors of 3628:
- If we have taken numbers from 1, 2, 3…for checking factors of 3628, we found that 3628 has factors 1, 2, 4, 907, 1814 and 3628. Hence, we must say that 3628 is a composite number.
- Thus, 3628 is the composite number.
- If we multiply 3628 by 1, 2, 3 then we get the multiples of 3628 which are 3628, 7256 and so on.
About the number 3628:
- 3628 has more than two factors which are 1, 2, 4, 907, 1814 and 3628 and hence it is the composite number.
- 3628 is the even composite number and it is not the perfect square also.
- If we divide 3628 by, 1, 2, 4, 907, 1814 and 3628 then we get remainder as zero. Hence, 1, 2, 4, 907, 1814 and 3628 are the factors of 3628.
Note:
- 3628 is not the perfect square.
- Factors of 3628: 1, 2, 4, 907, 1814 and 3628
- Prime factors of 3628: 2, 907
Conclusion:
- 3628 is the composite number which has factors, 1, 2, 4, 907, 1814 and 3628
- And hence, 3628 is not the prime number.
Multiple Choice Questions:
1) 3628 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 3628 are
a) 3628
b) 2, 907
c) 4, 1814 and 3628
d) 1, 2, 4, 907, 1814 and 3628
Ans: b) 2, 907
3) 3628 is even composite number because
a) It has factors 1, 2, 4, 907, 1814 and 3628
b) It has more than two factors
c) Divisible by 2
d) all
Ans: d) all