Is 4545 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 4545 is composite or not first we have to find its factors.
Contents
Factors of 4545:
- If we have taken numbers from 1, 2, 3…for checking factors of 4545, we found that 4545 has factors 1, 3, 5, 9, 15, 45, 101, 303, 505, 909 1515 and 4545. Hence, we must say that 4545 is a composite number.
- Thus, 4545 is the composite number.
- If we multiply 4545 by 1, 2, 3 then we get the multiples of 4545 which are 4545, 9090 and so on.
4545 is a Composite number or Prime number
About the number 4545:
- 4545 has more than two factors which are 1, 3, 5, 9, 15, 45, 101, 303, 505, 909 1515 and 4545 and hence it is the composite number.
- 4545 is the odd composite number and it is not the perfect square also.
- If we divide 4545 by 1, 3, 5, 9, 15, 45, 101, 303, 505, 909 1515 and 4545 then we get remainder as zero. Hence 1, 3, 5, 9, 15, 45, 101, 303, 505, 909 1515 and 4545 are the factors of 4545
Note:
- 4545 is not the perfect square.
- Factors of 4545:1, 3, 5, 9, 15, 45, 101, 303, 505, 909 1515 and 4545
- Prime factors of 4545:3, 5, 101
Conclusion:
- 4545 is the composite number which has factors 1, 3, 5, 9, 15, 45, 101, 303, 505, 909 1515 and 4545.
- And hence, 4545 is not the prime number.
Multiple Choice Questions:
1) 4545 is a
a) odd number
b) Prime number
c) even number
d) Both a and c
Ans: a) odd number
2) The non-prime factors of a composite number 4545 are
a) 1
b) 3, 5, 101
c) 1, 3, 5, 9, 15, 45, 101, 303, 505, 909 1515 and 4545
d) 1, 9, 15, 45, 303, 505, 909 1515 and 4545
Ans: d) 1, 9, 15, 45, 303, 505, 909 1515 and 4545
3) 4545 is the odd composite number because
a) It has factors 1, 3, 5, 9, 15, 45, 101, 303, 505, 909 1515 and 4545
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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