Is 453 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 453 is composite or not first we have to find its factors.
Contents
Factors of 453:
- If we have taken numbers from 1, 2, 3…for checking factors of 453, we found that 453 has factors 1, 3, 151 and 453. Hence, we must say that 453 is a composite number.
- Thus, 453 is the composite number.
- If we multiply 453 by 1, 2, 3 then we get the multiples of 453 which are 453, 906 and so on.
453 is a Composite number or Prime number
About the number 453:
- 453 has more than two factors which are 1, 3, 151 and 453 and hence it is the composite number.
- 453 is the odd composite number and it is not the perfect square also.
- If we divide 453 by 1, 3, 151 and 453 then we get remainder as zero. Hence, 1, 3, 151 and 453 are the factors of 453.
Note:
- 453 is not the perfect square.
- Factors of 453: 1, 3, 151 and 453
- Prime factors of 453: 3, 151
Conclusion:
- 453 is the composite number which has factors 1, 3, 151 and 453.
- And hence, 453 is not the prime number.
Multiple Choice Questions:
1) 453 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 453 are
a) 1
b) 3, 151
c) 1 and 453
d) 1, 3, 151 and 453
Ans: b) 3, 151
3) 453 is the odd composite number because
a) It has factors 1, 3, 151 and 453
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c