Is 3243 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 3243 is composite or not first we have to find its factors.
Contents
Factors of 3243:
- If we have taken numbers from 1, 2, 3…for checking factors of 3243, we found that 3243 has factors 1, 3, 23, 47, 69, 141, 1081 and 3243. Hence, we must say that 3243 is a composite number.
- Thus, 3243 is the composite number.
- If we multiply 3243 by 1, 2, 3 then we get the multiples of 3243 which are 3243, 6486 and so on.
3243 is a Composite number or Prime number
About the number 3243:
- 3243 has more than two factors which are 1, 3, 23, 47, 69, 141, 1081 and 3243 and hence it is the composite number.
- 3243 is the odd composite number and it is not the perfect square also.
- If we divide 3243 by 1, 3, 23, 47, 69, 141, 1081 and 3243 then we get remainder as zero. Hence 1, 3, 23, 47, 69, 141, 1081 and 3243 are the factors of 3243
Note:
- 3243 is not the perfect square.
- Factors of 3243: 1, 3, 23, 47, 69, 141, 1081 and 3243
- Prime factors of 3243: 3, 23, 47
Conclusion:
- 3243 is the composite number which has factors 1, 3, 23, 47, 69, 141, 1081 and 3243.
- And hence, 3243 is not the prime number.
Multiple Choice Questions:
1) 3243 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 3243 are
a) 1
b) 3, 23, 47
c) 1, 3, 23, 47, 69, 141, 1081 and 3243
d) 1, 69, 141, 1081 and 3243
Ans: d) 1, 69, 141, 1081 and 3243
3) 3243 is the odd composite number because
a) It has factors 1, 3, 23, 47, 69, 141, 1081 and 3243
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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