Is 3147 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 3147 is composite or not first we have to find its factors.
Contents
Factors of 3147:
- If we have taken numbers from 1, 2, 3…for checking factors of 3147, we found that 3147 has factors 1, 3, 1049 and 3147. Hence, we must say that 3147 is a composite number.
- Thus, 3147 is the composite number.
- If we multiply 3147 by 1, 2, 3 then we get the multiples of 3147 which are 3147, 6294 and so on.
3147 is a Composite number or Prime number
About the number 3147:
- 3147 has more than two factors which are 1, 3, 1049 and 3147 and hence it is the composite number.
- 3147 is the odd composite number and it is not the perfect square also.
- If we divide 3147 by 1, 3, 1049 and 3147 then we get remainder as zero. Hence 1, 3, 1049 and 3147 are the factors of 3147
Note:
- 3147 is not the perfect square.
- Factors of 3147: 1, 3, 1049 and 3147
- Prime factors of 3147: 3, 1049
Conclusion:
- 3147 is the composite number which has factors 1, 3, 1049 and 3147.
- And hence, 3147 is not the prime number.
Multiple Choice Questions:
1) 3147 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 3147 are
a) 1
b) 3, 1049
c) 1, 3, 1049 and 3147
d) 1 and 3147
Ans: d) 1 and 3147
3) 3147 is the odd composite number because
a) It has factors 1, 3, 1049 and 3147
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
Why the below numbers are composite numbers
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