Is 2943 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 2943 is composite or not first we have to find its factors.
Contents
Factors of 2943:
- If we have taken numbers from 1, 2, 3…for checking factors of 2943, we found that 2943 has factors 1, 3, 9, 27, 109, 327, 981 and 2943. Hence, we must say that 2943 is a composite number.
- Thus, 2943 is the composite number.
- If we multiply 2943 by 1, 2, 3 then we get the multiples of 2943 which are 2943, 5886 and so on.
2943 is a Composite number or Prime number
About the number 2943:
- 2943 has more than two factors which are 1, 3, 9, 27, 109, 327, 981 and 2943 and hence it is the composite number.
- 2943 is the odd composite number and it is not the perfect square also.
- If we divide 2943 by 1, 3, 9, 27, 109, 327, 981 and 2943 then we get remainder as zero. Hence 1, 3, 9, 27, 109, 327, 981 and 2943 are the factors of 2943
Note:
- 2943 is not the perfect square.
- Factors of 2943: 1, 3, 9, 27, 109, 327, 981 and 2943
- Prime factors of 2943: 3, 109
Conclusion:
- 2943 is the composite number which has factors 1, 3, 9, 27, 109, 327, 981 and 2943.
- And hence, 2943 is not the prime number.
Multiple Choice Questions:
1) 2943 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 2943 are
a) 1
b) 3, 109
c) 1, 3, 9, 27, 109, 327, 981 and 2943
d) 1, 9, 27, 327, 981 and 2943
Ans: d) 1, 9, 27, 327, 981 and 2943
3) 2943 is the odd composite number because
a) It has factors 1, 3, 9, 27, 109, 327, 981 and 2943
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all