Is 483 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 483 is composite or not first we have to find its factors.
Contents
Factors of 483:
- If we have taken numbers from 1, 2, 3…for checking factors of 483, we found that 483 has factors 1, 3, 7, 21, 23, 69, 161 and 483. Hence, we must say that 483 is a composite number.
- Thus, 483 is the composite number.
- If we multiply 483 by 1, 2, 3 then we get the multiples of 483 which are 483, 966 and so on.
483 is a Composite number or Prime number
About the number 483:
- 483 has more than two factors which are 1, 3, 7, 21, 23, 69, 161 and 483 and hence it is the composite number.
- 483 is the odd composite number and it is not the perfect square also.
- If we divide 483 by 1, 3, 7, 21, 23, 69, 161 and 483 then we get remainder as zero. Hence, 1, 3, 7, 21, 23, 69, 161 and 483 are the factors of 483.
Note:
- 483 is not the perfect square.
- Factors of 483: 1, 3, 7, 21, 23, 69, 161 and 483
- Prime factors of 483: 3, 7, 23
Conclusion:
- 483 is the composite number which has factors 1, 3, 7, 21, 23, 69, 161 and 483.
- And hence, 483 is not the prime number.
Multiple Choice Questions:
1) 483 is a
a) odd number
b) Prime number
c) Composite number
d) Both a and c
Ans: d) both a and c
2) The prime factors of a composite number 483 are
a) 1
b) 3, 7, 23
c) 1, 21, 69, 161 and 483
d) 1, 3, 7, 21, 23, 69, 161 and 483
Ans: b) 3, 7, 23
3) 483 is the odd composite number because
a) It has factors 1, 3, 7, 21, 23, 69, 161 and 483
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c