Is 4485 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 4485 is composite or not first we have to find its factors.
Contents
Factors of 4485:
- If we have taken numbers from 1, 2, 3…for checking factors of 4485, we found that 4485 has factors 1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495 and 4485. Hence, we must say that 4485 is a composite number.
- Thus, 4485 is the composite number.
- If we multiply 4485 by 1, 2, 3 then we get the multiples of 4485 which are 4485, 8970 and so on.
4485 is a Composite number or Prime number
About the number 4485:
- 4485 has more than two factors which are 1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495 and 4485 and hence it is the composite number.
- 4485 is the odd composite number and it is not the perfect square also.
- If we divide 4485 by 1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495 and 4485 then we get remainder as zero. Hence 1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495 and 4485 are the factors of 4485
Note:
- 4485 is not the perfect square.
- Factors of 4485:1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495 and 4485
- Prime factors of 4485: 3, 5, 13, 23
Conclusion:
- 4485 is the composite number which has factors 1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495 and 4485.
- And hence, 4485 is not the prime number.
Multiple Choice Questions:
1) 4485 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 4485 are
a) 1
b) 3, 5, 13, 23
c) 1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495 and 4485
d) 1, 15, 39, 65, 69, 115, 195, 299, 345, 897, 1495 and 4485
Ans: d)1, 15, 39, 65, 69, 115, 195, 299, 345, 897, 1495 and 4485
3) 4485 is the odd composite number because
a) It has factors 1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495 and 4485
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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