Is 4047 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 4047 is composite or not first we have to find its factors.
Contents
Factors of 4047:
- If we have taken numbers from 1, 2, 3…for checking factors of 4047, we found that 4047 has factors 1, 3, 19, 57, 71, 213, 1349 and 4047. Hence, we must say that 4047 is a composite number.
- Thus, 4047 is the composite number.
- If we multiply 4047 by 1, 2, 3 then we get the multiples of 4047 which are 4047, 8094 and so on.
4047 is a Composite number or Prime number
About the number 4047:
- 4047 has more than two factors which are 1, 3, 19, 57, 71, 213, 1349 and 4047 and hence it is the composite number.
- 4047 is the odd composite number and it is not the perfect square also.
- If we divide 4047 by 1, 3, 19, 57, 71, 213, 1349 and 4047 then we get remainder as zero. Hence 1, 3, 19, 57, 71, 213, 1349 and 4047 are the factors of 4047
Note:
- 4047 is not the perfect square.
- Factors of 4047:1, 3, 19, 57, 71, 213, 1349 and 4047
- Prime factors of 4047: 3, 19, 71
Conclusion:
- 4047 is the composite number which has factors 1, 3, 19, 57, 71, 213, 1349 and 4047.
- And hence, 4047 is not the prime number.
Multiple Choice Questions:
1) 4047 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 4047 are
a) 1
b) 3, 19, 71
c) 1, 3, 19, 57, 71, 213, 1349 and 4047
d) 1, 57, 213, 1349 and 4047
Ans: d) 1, 57, 213, 1349 and 4047
3) 4047 is the odd composite number because
a) It has factors 1, 3, 19, 57, 71, 213, 1349 and 4047
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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