Is 3143 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 3143 is composite or not first we have to find its factors.
Contents
Factors of 3143:
- If we have taken numbers from 1, 2, 3…for checking factors of 3143, we found that 3143 has factors 1, 7, 449 and 3143. Hence, we must say that 3143 is a composite number.
- Thus, 3143 is the composite number.
- If we multiply 3143 by 1, 2, 3 then we get the multiples of 3143 which are 3143, 6286 and so on.
3143 is a Composite number or Prime number
About the number 3143:
- 3143 has more than two factors which are 1, 7, 449 and 3143 and hence it is the composite number.
- 3143 is the odd composite number and it is not the perfect square also.
- If we divide 3143 by 1, 7, 449 and 3143 then we get remainder as zero. Hence 1, 7, 449 and 3143 are the factors of 3143
Note:
- 3143 is not the perfect square.
- Factors of 3143: 1, 7, 449 and 3143
- Prime factors of 3143: 7, 449
Conclusion:
- 3143 is the composite number which has factors 1, 7, 449 and 3143.
- And hence, 3143 is not the prime number.
Multiple Choice Questions:
1) 3143 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 3143 are
a) 1
b) 7, 449
c) 1, 7, 449 and 3143
d) 1 and 3143
Ans: d) 1 and 3143
3) 3143 is the odd composite number because
a) It has factors 1, 7, 449 and 3143
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
- Is 3145 a Composite number- Click Here
- Is 3141 a Composite number- Click Here